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1. If people solve the problem of smoke from vehicles and factories, the air _____ pure and fresh.
A. is B. was C. will be D. would be
2. If you post false information on the Internet, you _____fined.
A. gets B. got C. would get D. will get
3. I believe that if all the people _____ the government’s instructions, we ____COVID-19 from spreading.
A. don’t follow/ will prevent
B. followed/ will prevent
C. follow/ would prevent
D. follow/ will prevent
4. Do you think there would be less conflict in the world if all people _____ the same language?
A. spoke B. speak C. had spoken D. will speak
5. If our schools are still closed because of the pandemic, we _____to study online.
A. wouldn’t B. would try C. tried D. will try
6. If I ____you, I ____many subjects online instead of playing video games.
A. was/ will study B. am/ will study C. were/ would study D. am/ would study
7. If people need more paper, more trees _____.
A. will cut down B. cut down C. will be cut down D. are cutting down
8. My English is not good. If I ___ English well, I ___ able to get a good job in a foreign company.
A. speak/ can be B. spoke / were C. speak/ were D. spoke/ would be
9. If everybody _____to the fight against COVID-19, we will win soon.
A. contribute B. contributes C. are contributing D. is contributed
10. If people protect the forest, a lot of trees _____.
A. will be preserved B. will preserve C. preserve D. would preserve
11. If you were me, what _____?
A. you would do B. will you do C. do you do D. would you do
12. People don’t trust him because he tells lies.
A. If he tells lies, people won’t trust him.
B. If he didn’t tell lies, people would trust him.
C. If he doesn’t tell lies, people will trust him.
D. If he told lies, people wouldn’t trust him.
13. The government limits travel and close contact among people, so we can prevent COVID-19 from spreading.
A. If the government didn’t limit travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
B. If the government doesn’t limit travel and close contact among people, we can prevent COVID-19 from spreading.
C.If the government doesn’t limit travel and close contact among people, we could prevent COVID-19 from spreading.
D. If the government limited travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
14. Wear a face mask when you are with many people, or you will be at risk.
A. If you wear a face mask when you are with many people, you will be at risk.
B. If you don’t wear a face mask when you are with many people, you will be at risk.
C. If you didn’t wear a face mask when you are with many people, you would be at risk.
D. If you don’t wear a face mask when you are with many people, you would be at risk.
18. We/ should/ maintain/ personal space/ avoid/ crowds/ if/ we/ want/ be/ safe/ now.
A. We should be maintained personal space and avoid crowds if we want to be safe now.
B. We should maintain personal space and avoid crowds if we want to be safe now.
C. We should maintain personal space and avoid crowds if we wanted to be safe now.
D. We should maintain personal space to avoid crowds if we want be safe now.
19. Her English/ not/ be/ rusty/ she/ used/ more often.
A. Her English wouldn’t be rusty if she uses it more often.
B. Her English wouldn’t be rusty if she has used it more often.
C. Her English wouldn’t be rusty if she is using it more often.
D. Her English wouldn’t be rusty if she used it more often.
20. If people/ solve/ problem/ smoke from vehicles, the air/ be pure and fresh.
A. If people solved the problem of smoke from vehicles, the air is pure and fresh.
B. If people solve the problem of smoke from vehicles, the air was pure and fresh.
C. If people solve the problem of smoke from vehicles, the air will be pure and fresh.
D. If people solve the problem of smoke from vehicles, the air would be pure and fresh.
5. The population of the town can be divided into three main ______________.
A. gangs B. tribes C. lists D. groups
6. ____________refers to the existence of different plants and animals in a place.
A. Resources B. Existence C. Biodiversity D. Marine
7. The turtle has a long life _________________.
A. age B. span C. expectancy D. Both B and C
8. The case is still under ___________________
A. investigate B. investigated C. investigator D. investigation
9. The whale is a(n) _______________species.
A. endanger B. dangerous C. endangered D. endangering
10. Strong _________________are dangerous for swimmers.
A. seas B. rivers C. climates D. currents
11. It is important to ________________a reasonable level of fitness.
A. control B. maintain C. keep D. B and C
12. We would stay at home __________________.
A. if it were snowing C. if it is going to snow
B. if it would snow D. if it will snow.
13. I am sure that Nam would go to the cinema with you ____________.
A. if you ask him C. if you asked him
B. if you will ask him D. if you would ask him
14. I will never talk to you again _____________you apologize me___________ your being so rude.
A. if / for B. unless / for C. or / of D. whether / of
15. The whale feeds by opening its mouth wide, waiting for masses of shrimps-like animals called
_____________.
A. crabs B. shrimps C. starfish D. krill
Choose the best answer for each of the following sentences.
1. In my experiments, the liquid is cooled to 32oF. It always freezes.
A. If you cool the liquid to 32 degrees, it froze.
B. If you cooled the liquid to 32 degrees, it would freeze.
C. If you cool the liquid to 32 degrees, it will freeze.
D. If you had cooled the liquid to 32 degrees, it would have frozen.
2. It may rain this afternoon. I hope it doesn't because I don't want the match to be cancelled.
A. If it rains, the match is cancelled.
B. If it rains, the match will be cancelled.
C. If it rained, the match would be cancelled.
D. If it had rained, the match would have been cancelled.
3. Unfortunately, I don't know Philosophy, so I can't answer your question.
A. If I know Philosophy, I can answer your question.
B. If I know Philosophy, I will be able to answer your question.
C. If I knew Philosophy, I would be able to answer your question.
D. If I had known Philosophy, I would have been able to answer your question.
4. ______ there are some more ideas, we can end the meeting now.
A. If
B. As if
C. Unless
D. In case
5. If he ______ with us now, he _____ the beauty of nature of the National Park.
A. is / can enjoy
B. was / will enjoy
C. has been / would enjoy
D. were / could enjoy
6. If they had searched more carefully, they _____ the watch sooner.
A. will find
B. would find
C. found
D. would have found
7. If I had got up early, I _______ to have breakfast now.
A. have
B. had
C. would have
D. would have had
8. I cannot buy a new computer ____ I save enough money.
A. if
B. even if
C. unless
D. as if
9. Most people you meet will be polite to you ______ .
A. if you are polite to them
B. if you will be polite to them
C. unless you are polite to them
D. if you were polite to them
10. If you do so, it _____ the matter worse.
A. makes only
B. would only make
C. will only make
D. had only made
11. You ______ English fluently unless you practice it every day.
A. will speak
B. will not speak
C. can speak
D. did not speak
12. Hurry up ______ you will miss the bus and be late for school.
A. if
B. and
C. or
D. as
13. You will get a good seat if you ______ first.
A. come
B. came
C. have come
D. will come
14. Sam will not graduate _______ .
A. if he passed all the tests
B. if he does not pass all the tests
C. unless he passes all the tests
D. unless he had passed all the tests
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
VII. Choose the correct completion.
1. I'm not an astronaut. If I...........an astronaut, I ................. my camera with me on the rocket ship.
A. am/ will take B. was/ would take
C. were/ had taken D. was/ would have taken
2. Don't throw aerosol into a fire. An aerosol .......... if you ................ it into a fire.
A. will be exploded/ throw B. would explode/ threw
C. explodes/ will .throw D. can explode/ throw
3. That sounds like a good offer. I.................it if I................you.
A. had accepted/ were B. will accept/ am
C. would accept/ were D. accepted' were
4. Nora is using my car right now. If she................ it back in time. Your welcome to borrow it.
A. brought .B. would bring C. will bring D. brings
5. If energy ......................inexpensive and unlimited, many things in the world would be different.
A. is B. was C. had been D. would be
6. If you ............... all of my questions, I ...................... anything to help you.
A. don't answer/ can't do B. didn't answer/ won't do
C. wouldn't answer/ can't do B. wouldn't answer/ couldn't do
7. If I ................... wings,....................... take an airplane to fly home.
A. have/ won't have to B. had/ wouldn't have
C. have/ will have to D. had/ didn't have to
8. 'Here's my phone' number.
'Thanks, I ................you a call if I .................... some help.
A. will give/ will need B. would give/ needed
C. give/ need D. will give/ need
9. If we .......................serious about pollution, we ...................... more money on research.
A. had been/ spent B. were/ had spent
C. were/ would spend D. are/ will spend
10. Sea water is salty. If the oceans.................of fresh water, there ............. plenty of water to irrigate all of the deserts in the worlD.
A. consisted/ would be B. consisted/ were C. would consist/ could be D. consist/ will be
#maymay#
~ Study Well :33 ~
Kiến thức: Từ vựng
Giải thích:
Sau giới từ “for” cần một danh từ.
survive (v): sống sót
survival (n): sự sống sót
survivor (n): người sống sót
Hence, the struggle for (36)__________is their first priority rather than anything else.
Tạm dịch: Do đó, cuộc đấu tranh sinh tồn là ưu tiên hàng đầu của họ hơn là bất cứ điều gì khác.
Chọn B
Kiến thức: Từ vựng
Giải thích:
popular (adj): phổ biến crowed (adj): đông đúc
populated (adj): cư trú, sinh sống numerous (adj): nhiều
Urbanization programmes are being carried out in many parts of the world, especially in densely (33)______religion with limited land and resources.
Tạm dịch: Các chương trình đô thị hóa đang được thực hiện ở nhiều nơi trên thế giới, đặc biệt là ở những vùng có mật độ dân sư sinh sống dày đặc với đất đai và tài nguyên hạn chế.
Chọn C
`C`
c