Hệ thống bài tập ôn thi môn Tiếng Anh Lớp 12 (Có đáp án)

Name:Class:.	ENGLISH 12-TEST 3rd
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I. Choose the word which is stressed differently from the rest.
1.a. temperature 	b. serious 	c. awareness 	d. chemical
2.a. ability	 	b. agriculture 	c. development 	 d. contaminate
3. a.disappearance 	b. vulnerable 	c. conservation 	d. generation
Which word has a different sound ?
4.A.careless	B.sickness	C.necessary	D.wilderness
5.A.contained	B.stored	C.hoped	D.agreed
Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
6.A / an _______ species is a population of an organism which is at risk of becoming extinct.
a. dangerous 	b. endanger 	c. endangered 	d. endangerment
7.Being listed as an endangered species can have negative effect since it could make a species more desirable for collectors and poachers.	a. awareness 	b. Preservation	 	c. support 	d. impact
8.World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity, sustainable use of natural resources, and the reduction of pollution and wasteful consumption.
a. contamination 	b. energy 	c. extinction 	d. Development
9.She ___ be ill. I have just seen her playing basket ball in the school yard.
a. needn't 	b. shouldn't 	c. mustn't 	d. can't 
10.Peter has been working for 10 hours. He _______ be very tired now.
a. needn't 	b. must 	c. has to 	d. should
11.I _______ find my own way there. You _______ wait for me.
a. should / can't 	 b. have to / must 	c. can / needn't 	d. might / mustn't
12.When you have a small child in the house, you _______ leave small objects lying around. Such objects _______ be swallowed, causing serious injury or even death.
a. should / must 	b. should not / might 	c. needn't / may 	d. mustn't / can't
13.Frank's wallet is lying on the coffee table. He _______ it here last night.
a. must have left 	b. should have left 	c. must be leaving 	d. needn't leave
14.The thrilller was so exciting that I couldn’t _________	
A.let it down	B.look it up	C.pick it up	D.put it down
15......... is the act of preventing something from being lost, wasted, damaged or destroyed.
A. Conservation	B. Biodiversity	C. Habitat	D. Extinction
16.We should persuade the governments to............	laws to protect wildlife.
A. enact	B. announce	C. raise	D. develop
17._____________? Only about 600
A.Where do giant pandas live 	B.What is the population of pandas in the world
C.What do they eat	D.Do you know the reason why they are in danger of exctinction 
18.Toxic chemicals in the air and land contaminated water and increased water temperatures have also..........many species to the verge of extinction. A thrown	B. driven	C. carried	D made
19.The flowers____in a warm sunny place
A.should keep	B.should be keeping	C.should be kept	D.be kept
20____ books are ones in which the story is told or illustrated with pictures.
a. Comic 	b. Thriller 	c. Romantic 	d. Science
21.Boy, stop reading. ________ the book down and go to bed.
a. Take 	b. Put 	c. Set 	d. Pick
22.It is a good book. I think it is interesting enough for you to ________.
a. put down 	b. swallow 	c. look up 	d. understand
23.If you ________ a book, you have a brief look at it without reading or studying it seriously.
a. dip into 	b. put away 	c. pick up 	d. put down
24.There is plenty of money in our account so those cheques ________ to the bank today.
a. needn't be taken 	b. needn't be taking 	c. needn't take 	d. needn't taking
25.The picnic ________ because Peter has just had a traffic accident.
a. will cancel 	b. will be cancelling 	c. will be cancelled 	d. will have cancelled
Read the passage carefully and choose the correct answer.
Reading, as you know, is a continuous and never ending process. If you do very little reading, or if you read only material that offers no challenge to your comprehension, your reading will be of very little use. Once we reach a certain age, or once our formal schooling is completed, many of us become so restricted in our choice of .reading that we rarely read any new type of reading experience. We tend to read only books in our professional or business field, or only inspirational books, or only our favorite newspapers every morning, or only one magazine for which we have developed a preference. And the trouble starts here. You should neither read only for entertainment nor only for information but you should also read for intellectual growth, for mental stimulation, for enriching your background of knowledge, for wisdom, and for broader outlook and mature understanding. What kind of books should you read to continue your intellectual growth, to gain a background for opinion and for judgment? The answer is simple one: Read books in fields you have little or no acquaintance with, books that will open for you new horizons of learning, books that will help you explore new areas of knowledge and experience, books that will make the world and people more understandable to you. Sadly, more and more people today are giving up the printed word in favor of being entertained and informed by watching TV, a popular entertainment ,device present at almost homes. More and more children are being subjected to TV programming, perhaps as a babysitter. More than two hours of TV time per day are now a part of children development, generating physiological and mental problems that are of growing concern among experts. 
26.Reading ________.a. completely stops when we finish our schooling 	c. is of little use
b. is an endless process	d. should be done a little
27.According to the text, ________.
a. new type of reading experience often interests most of us .	b. we should only read for entertainment
c. reading for intellectual growth is necessary	d. we should not read for mental stimulation
28.What kind of books is recommended?
a. Books in fields you have little or no acquaintance with
b. Books that will help you explore new areas of knowledge and experience
c. Books that will open for you new horizons of learning	d. All are correct 
29.We can learn from the text that today ________.
a. people spend more time watching TV than reading books	b. more and more people enjoy reading
c. most babysitters prefer watching TV	d. most children spend less than 2 hours a day watching TV
30.The writer ________.
a. does not approve of reading process 	c. prefers watching TV to reading
b. advises us to read as little as possible	d. appreciates reading
Read the passage carefully and choose the correct answer
Once there were lots of pandas in the mountains of Western China. Today, they are .....(31)......extinct. The reason is that they can not find enough food. Pandas eat .....(32)...... leaves. They do not like another food. The bamboo grows very slowly. It can take 10 years for a bamboo to grow from a seed to a big plant. Some types of bamboo have seeds only once every 60 years. Pandas .......(33)...... wait many years for their food to grow. While the bamboo is growing, pandas do not have enough leaves to eat.
China and World Wildlife Fund ( WWF ) are trying to save the panda. In 1979 they began to set up special parks ..........(34)...........pandas live. Scientists come here to study the panda’s eating and mating habits . By learning more about the panda’s habits, scientists can save it from ......(35)....... . 
31. A. being	B. becoming 	C. having	D. making
32. A. banana	 	B. cabbage	C. grass	D. bamboo
33. A. must	B. should	C. ought	D. might
34. A. what	B. because	C. where	D. when
35. A. appearance	B. destruction	 	 C. extinction	 	D. damage.
Rewrite the sentences as directed.
36. John was not here yesterday. Perhaps he was ill.
John might..
37.It was a mistake of you to lose your passport.
You shouldn’t.
38.Nobody can find out the mystery.
The..
39.Are they building a new temple in the village ?
Is..
40.It wasn’t obligatory to submit my assignment today.
I needn’t..
 THE END!
Name:Class:.	ENGLISH 12-TEST 3rd
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Choose the word which has the underlined part pronounced differently from the rest.
1.a. reading 	b. easy 	c. pleasure 	d. please
2.a. killed 	b. enjoyed 	c. described 	d. digested
Choose the word which is stressed differently from the rest.
3.a. extinction 	b. animal 	c. classify 	d. primary
4.a. biologist 	b. seriously 	c. commercial 	d. identify
5.a. habitat 	b. different 	c. industry 	d. introduce
Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
6.Chemical wastes from factories are _______ that cause serious damage to species habitats.
a. pollutes 	b. pollutants 	c. pollutions 	d. polluters
7.Many schools provide environmental education to increase students' awareness of conservation needs.
a. effort 	b. benefit 	c. exploitation 	 	 d. knowledge
8.The computer _______ reprogramming. There is something wrong with the software.
a. must 	b. need 	c. should 	d. may
9.- Oh no! I completely forgot we were supposed to pick Jenny up at the airport this morning.
- She _______ there waiting for us	
a. needn't sit 	 b. might still sit 	c. must still be sitting 	d. should have sat
10.Jane often wears beautiful new clothes. She _______ be very rich.
a. must 	b. could 	c. might 	d. needn’t
11.A ________ is a story long enough to fill a complete book, in which the characters and events are usually imaginary.
a. pleasure 	b. novel 	c. page 	d. review
12.A ________ is the story of a person's life written by somebody else.
a. romance 	b. fiction 	c. biography 	d. science
13.When a reader reads an interesting book slowly and carefully, he ____ it
a. reviews 	b. chews and digests 	c. swallows 	d. dips into
14.The situation ________ to continue.	
a. cannot allow 	b. cannot be allowed	c. cannot have allowed 	d. cannot be allowing
15.The machine ________ on by pressing this switch.
a. can turn 	b. can be turned 	c. must turn 	d. should be turning
16.......... is the act of preventing something from being lost, wasted, damaged or destroyed.
A. Conservation	B. Biodiversity	C. Habitat	D. Extinction
17_______ is the existence of a wide variety of plant and animal species living in their natural environment. .
a. Biodiversity 	b. Conservation 	c. Globe 	d. Individual
18.I am not deaf. You _______ shout.
a. must 	b. mustn't 	c. need 	d. needn’t
19.John failed again. He _______ harder.	
a. must have tried 	b. should have tried 	c. can tried 	d. may have tried
20.Ted's flight from Amsterdam took more than 11 hours. He _______ exhausted after such a long flight now. 
a. must be 	 	b. must be being 	c. must have been 	 d. should have been
21.It is a top secret. You _______ tell anyone about it.
a. mustn't 	b. needn't 	c. mightn't 	d. won't
22.We have plenty of time for doing the work. We _______ be hurried.
a. needn't 	b. shouldn't 	c. mustn't 	d. mayn't
23.All traffic laws ________.
a. is observed 	b. must be observed	c. must have observed 	d. had better observe
24.Tomatoes ________ before they are completely ripe.
a. can be picked 	b. can pick 	c. needn't pick 	 d. should be picking
25.This letter ________, not handwritten.
a. should be typing 	b. should be typed 	c. needn't type 	d. needn't be typed
Read the passage carefully and choose the correct answer.
It is often said that books are always a good friends and reading is an active mental process. Unlike TV, books make you use your brain. By reading, you think more and become smarter. Reading improves concentration and focus. Reading books takes brain power. It requires you to focus on what you are reading for long periods. Unlike magazines, Internet posts or e-Mails that might contain small pieces of information. Books tell the whole story". Since you must concentrate in order to read, you will get better at concentration. Many studies show if you do not use your memory; you lose it. Reading helps you stretch your memory muscles. Reading requires remembering details, facts and figures and in literature, plot lines, themes and characters.
Reading is a good way to improve your vocabulary. Do you remember that when you were at elementary school you learned how to infer the meaning of one word by reading the context of the other words in the sentence? While reading books, especially challenging ones, you will find yourself exposed to many new words.
Reading is a fundamental skill builder. Every good course has a matching book to go with it. Why? Because books help clarify difficult subjects. Books provide information that goes deeper than just classroom discussions By reading more books you become better informed and more of an expert on the topics you read about. This expertise translates into higher self-esteem. Since you are so well-read, people look to you for answers. Your feelings about yourself can only get better.
Books give you knowledge of other cultures and places. The more information you have got, the richer your knowledge is. Books can expand your horizons by letting you see what other cities and countries have to offer before you visit them.
26.Books have great influence on ________.a. TV 	b. friendship 	c. brain 	d. muscles
27.When you are reading a book, ________.
a. you have to read small pieces of information	b. you use your brain in concentration and focus
c. you have to read during a very long time	d. you lose your memory
28.A challenging book ________.
a. helps you to improve your vocabulary 	b. is only for primary pupils
c. can translate all new words 	d. contains a lot of difficult vocabulary
29.Books ________.
a. are compulsory in every course	b. are not needed in most of course
c. contain less information than class discussions	d. make a sick patient feel better
30.Books cannot give you ________.
a. knowledge 	b. information 	c. self-esteem 	d. muscles
Read the following the passage carefully and then choose the best option to fit each space by circling A,B,C,d
 Nowadays people are more aware that wildlife all over the world is..... (31) ..... . danger. Many species of animals are threatened, and could easily become extinct if we do not make an effort to ..... (32) ..... them. They are many reasons for this. In some cases, animal are ..... (33) ..... for their fur or for other valuable parts of their bodies. Some birds such as parrots, are caught alike , and sold as pets. For many animals and birds, the problem is that their habitat- the place where they live-is disappearing. More land is used for farms, for houses or industry . Farmers use powerful chemicals to help them to grow better ..... (34) ..... , but these chemicals pollute the environment and ..... (35) ..... wildlife.
31. A. at 	B. in 	C. for 	D. on 
32. A. safe 	B. protect 	C. harm 	D. serve 
33. A. protected 	B. extinct 	C. called 	D. hunted 
34.. A. crops 	B. fields 	C. products 	D. herbs 
35.. A. wrong 	B. spoil 	C. wound 	D. harm 
Rewrite the sentences as directed.
36.I took a sweater but it was not necessary.
I needn’t.
37. It was a mistake of you to lose your passport.
You shouldn’t..
38.The television isn’t working. I’m sure that the television was damaged during the move .
The television isn’t working. It must..
39. Are they building many roads in this city, aren’t they ?
Are.
40. Noone has used that car for ages.
That..
Topic : Write a paragraph about measure for protecting endangered animals.
	There are a number of measures that should be taken to protect endangered animals. Firstly, we should organize different activities to raise people's awareness of the importance to protect these animals. For example, we often visit the national parks or sometimes we should hold international conferences about the great importance of ecology and biodiversity. Secondly, we should lomit pollution. Reducing pollution is a major step in improving the health of animals all over the world. For example, we shouldn't throw rubbish carelessly. we should volunteer to clean streets every month.Finally, government should have strict laws of protecting rare animals. For example, we should punish those who hunt illegally or buy products made from endangred animals. To sum up, if these measures are taken, our planet might be a beautiful place for us and animals to live in. 
	THE END!
Name:Class:.	ENGLISH 12-TEST 3rd
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Topic : Write a report on the book you have read recenly.
 Recently I've read a book '' Sea Wolf'' by Jack London. It's a novel. The story is set on a sealer owned by a cruel and strong captain, Wolf Larsen with twp other characters, Van Weyden, a literature researcher and a woman writer Mauld Brewster. Through the whole story, It can be said the true love and charity can defeat the cruelty. In a word, the true love always wins. This book is a very interesting novel which evokes in our depth a human feeling about the strength of love.
Topic : Write a report on the book you have read recenly.
 Recently I've read a book '' The Incredible Journey '' by Sheila Burnfor. . It's a book about three animal friends who travel across the Canadian wilderness looking for their owners. When a Canadian family goes to England, they leave their animals with a friend . Though well-treated by the friend, three pets miss their family. One day, they leave the friend's house unnotice and bigin the long journey to find their owners. On the way, they take care of one another, they must solve their prolems and all they have completed the journey and are reunited with their owners. It is a fascinating story that describe some of the incredible things animals can do.I would like to recommend to anyone who loves animals. I think that this book is an interesting and unbelievable nove.
I. Multiple choice
1. I’m feeling sick. I________so much chocolate last night.
A. needn’t to eat	B. did not eat C. mustn’t eat	D. shouldn’t have eaten
2. A situation in which a plant, an animal, a way of life, ect. stops existing: ________
A. endangered	B. extinction	C. conservation	D. destruction	
3.It is a good book. I think it is interesting enough for you to ________.
A. look up 	B. understand	C. put down 	D. swallow 
4. Children tend to read ..... books that tell stories through pictures.
A. comic	B. novel 	C. craft	D. fiction
5. Toxic chemicals in the air and land have also driven many species to the ___ of extinction.
A. border	B. limit	C. verge	D. edge	
6. If you ________ a book, you have a brief look at it without reading or studying it seriously.
A. dip into 	B. put away 	C. pick up 	D. put down	
7. You ________ wash those tomatoes. They’ve already been washed.
A. needn’t	B. need	C. must	D. mustn’t	
8.Don’t make too much noise. You ________wake the baby up. 
A. should	B. would	C. may	D. must	
9.Nobody can find out the mystery.
A. The mystery can’t be found out.	B. The mystery cannot to be found out.
C. The mystery can be found out by anybody.	D. The mystery can’t find out. 	
10. The natural environment in which a plant or animal lives: ________.
A. pollution	 	B. overexploitation	C. habitat	D. biodiversity	
11.The museum is open to everybody. It ________ between 9 am and 5 pm. 
A. visited 	B. can visit 	C. can be visited	D. visits	
12.You mustn’t use this machine after 5 p. m. 
A. This machine mustn’t used after 5 p. m	B. This machine mustn’t be used after 5 p. m. 	
C. This machine mustn’t be use after 5 p. m. 	D. This machine must be used after 5 p. m. 	
13.You _______ take your umbrella along with you today. It _______ rain later on this afternoon. 
A. will / must	B. ought to / mustn't	C. should / might	D. needn't / will	
14. _______ books tell stories from the author’s imagination.
A. Comic	B. Biography	C. Science	D. Fiction
15. Being a student of this school, you_________wear a uniform.
A. must 	B. mustn't 	C. needn't 	D. will have to
16. The picnic ________ because Peter has just had a traffic accident.
A. will cancel 	B. will be cancelling 	C. will be cancelled 	D. will have cancelled
17.Sue: "I love comic books." -Alice: "__________ "
A. Yes, it's really great! 	B. Sorry, I don't.	C. So do I.	D. Neither do I.
18.Mary: "This book is great! I can't put it down" - Tom: “__________”
A. Definitely, I've read it several times! 	B. I don't care!	C. Surely, it's terrible! 	D. Sorry, I think so.
19. Government has ___________ laws to protect wildlife from commercial trade and over hunting.
A. pass	B. given	C. enacted	D. enforced
20.People __________ prevent pollution of the rivers before it gets worse.
A. could	B. must	C. need	D. had to
21.A: “Shall I open the window?” B: “ ________”
A. No, please	B. No, not me	C. Yes, please	D. Yes, you shall
22.Those who don’t obey the traffic rules ________strictly.
A. must be fined	B. should be punish	C. will fine	D. have to fine
23.Books are a wonderful source __________knowledge and pleasure. 
A. with	B. of 	C. in 	D. about
24. Helen didn’t go to school this morning. She _______ ill.
A. must be 	B. must have been 	C. should be 	D. should have been
25. Geography is a very interesting subject. ________, very few people study it thoroughly.
A. And 	B. However 	C. Moreover 	D. So
26. John was not here yesterday. Perhaps he was ill.
A. John needn't be here yesterday because he was ill. B. Because of his illness, John should have been here yesterday. 
C. John might have been ill yesterday, so he was not here. D. John must have been ill yesterday, so he was not here.
27. I took a sweater but it was not necessary.
A. I needn't have taken a sweater. 	B. It was too necessary for me to take a sweater. 
C. I should have taken a sweater. 	D. I must have taken a sweater. 
28. If I were you, I would take the train instead of the bus.
A. You should have taken the train instead of the bus.	B. You should take the train instead of the bus.
C. I advise you to take the bus. 	D. You must have taken the train instead of the bus.
29. It was a mistake of you to lose your passport.
A. You shouldn't have lost your passport. 	B. There must be a mistake in your passport. 
C. You needn't have brought your passport. 	D. Your passport must be lost. 
30. .He failed the last exam; _________, he has to study hard to take part in the exam again.
A. but	B. however	C. therefore	D. because
31. 15,589 species (7,266 animal species and 8,323 plant species) are now considered ____ risk _____ extinction.
A. in / at	B. on / in 	C. for / with 	D. at / of 
32. Tom: "Sorry Mum. I've broken a plate." Mom: - "You ______be more careful."
A. might 	B. may 	C. should 	D. can
33. _______ is the existence of a wide variety of plant and animal species living in their natural environment. 
A. Biodiversity 	B. Conservation 	C. Globe 	D. Individual	
34. Species become extinct or endangered for _______ number of reasons, but _____ primary cause is the destruction of habitat by human activities.
A. Ø / a 	B. a / the 	C. the / a 	D. Ø / Ø
35. Theresa walked past me without saying a word. She ________ me.
A. can't have seen 	B. can't see	C. can't have been seen 	D. can be seen
36. _______. We still have plenty of food.
A. You should buy some more to eat.	B. You needn't go to the supermarket.
C. We must buy some more food.	D. May I go to the supermarket?
37. It wasn't obligatory to submit my assignment today. 
A. My assignment must have been submitted today. 	B. I needn't have submitted my assignment today.
C. My assignment was required to submit by today. 	D. I mustn't submit my assignment today.
38Without the particular habitat, the species could not to survive.
 A Without	B. particular	C. could 	D. to survive
39. As we had plenty of food, we mustn’t go to the supermarket
A. the	B. mustn’t	C. had	D. As
40. The bus for ____ I am waiting comes later than as usual.
A. whom	B. which	C. that	D. O
Choose the word which is stressed differently from the rest.
1. A. temperature 	B. serious 	C. awareness 	D. chemical
2. A. ability	 	B. agriculture 	C. development 	D. contaminate
3. A. government 	B. agency 	C. benefit 	D. diversity
4. A. disappearance 	B. vulnerable 	C. conservation 	D. generation
5. A. entertainment 	B. information 	C. difficulty 	D. understanding
6. A. swallow 	B. subject 	C. digest 	D. enough
7. A. imagine 	B. important 	C. example 	D. wonderful
8. A. different 	B. carefully 	C. holiday 	D. reviewer
9. A. knowledge 	B. forever 	C. journey 	D. action
10. A. temperature	B. establish	C. agriculture	D. seriously
Read the foklowing pasage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks .
 Nowadays people are more aware that wildlife all over the world is in danger. Many species of animals are threatened, and could easily become (1)_____if we do not make an effort to protect them. There are many reasons for this. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, (2)______as parrots are caught alive and sold as pets. For many animals and birds, the problem is that their habitat - the place where they live - is disappearing. More (3)______is used for farms, for houses or industry, and there are fewer open spaces than there once were. Farmers use powerful chemicals to help them grow better crops, but these chemicals (4)___________ the environment and harm wildlife. The most successful animal (5)__________ earth - human beings - will soon be the only ones left, unless we can solve this problem. 
1. A. extinct 	B. lost 	C. empty 	D. disappeared 
2. A. such 	 	B. where 	C. like 	D. or 
3. A. area 	 	B. earth 	C. land 	D. soil 
4. A. polluteed 	B. pollute	C. pollution 	D. polluting
5. A. in	 	B. at	C. on	D. with
Name:.......
Class : .......................................................
Marks
 ENGLISH 12
 One period (III )
I.Multiple choice
1.Which word has a different sound ?
.A.careless	B.sickness	C.necessary	D.wilderness
2.The children all have very different _____________
A.personalities	B.personal	C.personalize	D.person
3.Candidates_________not bring books into the examination
A.might	B.need	C.may	D.must
4.You should change your wet schoes,_________you’ll catch a cold
A.therefore	B.or	C.if	D.unless
5.The Sahara Desert is 1,610 km in____and about 5,150 in ______from east to west.
A.width/length	B.wide/long	C.widely/longly	D.widen/lengthen
6.The thrilller was so exciting that I couldn’t _________	
A.let it down	B.look it up	C.pick it up	D.put it down
7.I’d like to ______that book when you’ve read it.
A.borrow	B.hire	C.lend	D.loan
8.He is under sixteen, _______he shouldn’t drive a car
A.but	B.however	C.therefore	D.yet
9.Which word has a different stress ?
.A.wildderness	B.unnoticed	C.swallow	D.fascinating
10.Which word has a different stress ?
.A.habitat	B.gorilla	C.enact	D.derive
11.). The shrimp was only two dollars a kilo this week, ............ I bought three kilos
 A). but 	B). however	C). so	D). therefore
 12). You could fly via Vienna; .............. it isn't the only way.
 A). however	B). but	C). so	D). therefore 
 13). They have lived next door to us for years, ............... we hardly ever see them.
 A). however	B). yet	C). therefore 	D). but
14......... is the act of preventing something from being lost, wasted, damaged or destroyed.
A. Conservation	B. Biodiversity	C. Habitat	D. Extinction
15..Ok, you can take Chemistry as your major,........	you should remember that it is not easy to learn Chemistry.
A. so	B. therefore	C. however	D. although
16.We should persuade the governments to............	laws to protect wildlife.
A. enact	B. announce	C. raise	D. develop
17._____________? Only about 600
A.Where do giant pandas live 	B.What is the population of pandas in the world
C.What do they eat	D.Do you know the reason why they are in danger of exctinction 
18.Toxic chemicals in the air and land contaminated water and increased water temperatures have also..........many species to the verge of extinction.
A thrown	B. driven	C. carried	D made
19.a situation in which a plant, an animal, a way of life, etc....stops existing
A. Conservation	B. Biodiversity	C. Habitat	D. Extinction
20..The flowers____in a warm sunny place
A.should keep	B.should be keeping	C.should be kept	D.be kept
II.Choose the most appropriate way of forming meaningful sentence A,B,C or D
21..If/ you/ not help/ I not meet/ my brother/ last month
A.If I didn't help me, I couldn't meet my brother last month	
B.If you hadn't helped me, I didn't meet my brother last month
C.Had you helped me, I couldn't meet my brother last month	
D.If you hadn't helped me, I couldn't have met my brother last month
22..Lan doesn't have enough time to make her wedding cake
A.If Lan had had more time, She'd make her wedding cake	
B.If Lan had more time, She'd have made her wedding cake
C.If Lan had more time, she'd make her wedding cake
D.If Lan had more time, she will make her wedding cake
23..I want to buy her a handbag on her birthday but I haven't got enough money
A.I'd buy her a handbag on her birthday if I had enough money
B..I'd buy her a handbag on her birthday if I had few money
C..I'd buy her a handbag on her birthday if I have few money
A.I'd buy her a handbag on her birthday if I have enough money
24.They reported that more than twenty fishermen were missing in the storm
A.More than twenty fishermen were missing in the storm
B.More than twenty fishermen were reported missing in the storm
C.More than twenty fishermen are reported to