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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
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
Choose the best answer to complete each of the following sentences.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city.
A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
. If you ______ be someone, who______ you ______?
A. could / would / have been B. could / would / be C. can / will / be D. are able to / will / be
24. If I ________ an Angel, I would try to make happy all the children.
A. am B. have been C. were D. had been
25. John would be taking a great risk if he _____ his money in that business.
A. would invest B. invested C. had invested D. invests
26. It ________ if nobody had reminded them.
A. would have be forgot B. would have been forgot
C. would have forget D. would have been forget
27. The car ________ if somebody takes it there.
A. will be repaired B. would be repaired C. will been repaired D. is repair
28. You ______ to prison if you did that.
A. would be send B. would have been sent C. would be sent D. were sent
29. You would study Italian if it _____ here.
A. was teaching B. were taught C. would be taught D. is taught
30. It _______ if nobody reminded them
A. was forgotten B. would be forget C. would be forgot D. would forgot
31. The magazine _____ by more people if it had better articles.
A. would be reading B. would read C. would be read D. been read
32. The joke would not be funny if it _________ into French.
A. were translated B. is translated C. was be translated D. translated
33. A doctor _________ if somebody falls ill.
A. will be cold for B. will be called for C. will call for D. would be call for
34. Would she go if she _____?
A. were invited B. was be invited C. have been invited D. be invited
35. He _____ the death penalty if he were found guilty.
A. would be given B. would be gave C. would given D. were given
36. Who would have won the World War II if the nuclear bomb __ by the Nazus first.
A. had be produced B. had produced C. had been produced D. would be produced
37. The room ______ if it is not empty.
A. couldn’t be repainted B. cannot be repainted
C. could be repainted D. can be repainted
38. He _____ the death penalty if he had been found guilty.
A. would has given B. would has been given
C. would have given D. would have been given
39. The cars _____ if we had not done such a huge advertising campaign.
A. would not have been bought B. would not have be bought
C. would have been bought D. would not had been bought
40. If I were a better conversationalist , _____ to parties more often?
A. I would be invited B. I would have been invited
C. would I be invited D. would I have been invited
41.Kevin never seems to get tired. I wish I _____ his energy
A. can have B. have had C. had D. would have
42. If I ____ him yesterday, I would have to come back tomorrow
A. didn’t meet B. have met C. met D. hadn’t met
43. If she ____ the truth, I think she’d never want to see you again
A. would know B. knows C. will know D. knew
44. I would never have believed ____ it with my own eyes
A. if I didn’t see B. if I hadn’t seen
C. if I haven’t seen D. if I wouldn’t have seen
45. I wish I had remembered your number. Otherwise, I ____ you
A. phoned B. would phone C. would have phoned D. will have phone
46. Such typing mistakes _____ avoided if you had been more careful
A. can have been C. would be C. might have been D. should be
47. Carol was late for work this morning. But for the traffic jam, she ____ half an hour earlier
A. could come B. could have come C. had come D. can have come
48. Don’t worry ____ home late tonight
A. when I’ll be B. if I’ll be C. unless I’ll be D. if I’m
49. I ____ one of my special desserts for dinner, if you like
A. make B. will make C. am going to make D. am making
50. When you ____ Bob, tell him he still owes me some money
A. see B. are going to see C. will see D. are seeing
51. I wish I ____ him, but I don’t
A. like B. can like C. liked D. would like
52. She feels lonely because she doesn’t know many people there. She wishes she ____ more people
A. will know B. knew C. knows D. has known
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. 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
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. 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
5. 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
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. 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 step on the mine, it wouldn't have exploded.
1. By the time we _____ to the cinema, the film had started.
A. gets B. had got C. has got D. got
2. When the policeman came there, the robber _____
A. had left B. has left C. left D. was left
3. If you were the president, what _____ you do to help the environment?
A. will B. did C. would D. do
4. The village's drinking water _____ with poisonous chemicals since the factory came into operation.
A. contaminates B. is contaminated C. has contaminated D. has been contaminated
5. When the policeman came to the scene, the driver of the car _____
A. have left B. had left C. leaves D. was left
6. You will recognize Jenny when you see her. She _____ a red hat.
A. wears B. is wearing C. will wear D. will be wearing
7. Recent_____ developments have made robots more user-friendly and intelligent.
A. science B. scientist C. scientific D. scientifically
8. If we use water_____, more people will have cleaner water.
A. care B. carefully C. careless D. carelessly
9. Water pollution make some aquatic animals_____
A. dying B. to die C. die D. died
10. She prefers English _____ France.
A. to B. for C. at D. in
11. Three hundred people _____ homeless by the earthquake.
A. left B. were leaving C. were left D. had left
12. By the time we got to the cinema, the film_____
A. had started B. started C. starting D. has started
13. Many people die_____ food poison today.
A. at B. of C. in D. on
14. The _____ buried the whole village while people were still sleeping in their houses.
A. drought B. flood C. mudslide D. tornado
15. If people _____ to work by bus, there _____ fewer car fumes.
A. to travel / be B. travel / are C. will travel / be D. travel / will be
16. If people didn't throw rubbish in the street, it _____ attractive.
A. will look B. would look C. look D. to look
17. There are about 750 million English speakers in the world, and this number _____ fast.
A. is increasing B. to increase C. are increasing D. increase
18. In the future, natural disasters_____ accurately with the help of technology.
A. to predict B. predict C. will be predicted D. will predict
19. On my birthday, I was very pleased because I______ a nice present.
A. receive B. had received C. receives D. am receiving
20. Water _____ in the lake has made the fish die.
A. pollution B. pollute C. polluted D. polluting
21. The train or HN _____ at 7a.m tomorrow.
A. leaves B. leaving C. to leave D. left
22. Environmental pollution has_____ to lots of health problems.
A. caused B. got C. made D. led
23. The heavy rain has caused _____ in many parts of the country.
A. drought B. storms C. forest fire D. floods
24. By the time we _____ to the cinema, the film had started.
A. had got B. got C. were getting D. get
25. A person who _____ the bagpipes is called a piper.
A. plays B. performs C. entertains D. does
26. The team's success was largely_____ to her efforts.
A. because B. due C. since D. however
27. I often drink coffee, but today I _____ tea.
A. am drinking B. drink C. drank D. drinks
28. If you_____ the president, what would you do to help the environment?
A. are B. had been C. were D. was
29. Eating too much sugar can _____ to health problems.
A. cause B. lead C. make D. take
30. Emergency teams are still removing the _____ from the plane crash.
A. dirt B. debris C. dust D. air
1D
2A
3D
4B
5A
6A
7B
8D
9C
10D