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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) It is late now; I don't think Ann will come to see us
-> I would be surprised if Ann came to see us.
2)We don't go on holiday because we don't have enough money
-> If we had enough money, we would go on holiday.
3) Do these exercises more carefully or you will fail the exams
-> Unless you do these exercises more carefully, you will fail the exams.
4) I do not know the answer so I can not tell you
-> If I knew the answer, I could tell you.
5) She can't apply for the job because she doesn't know French
-> If she knew French, she could apply for the job.
6) if she didn't come here now, we'd come back home
-> Unless she came here now, we'd come back home.
7) Be careful or you will not be able to get the job
-> Unless you are careful, you will be able to get the job.
8) The trees will die unless it rains soon
-> If it doesn't rains soon, the trees will die.
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
1.l used to have a cat
2.You don't need to set off early
3.She has learnt French fro threes
4.It is hoa's 18th Birthday next week
5.When did you use the computer?
6.Nam used to to type faster
I) Complete the second sentences so that it hasthe same meaning to the first
1 I had a cat once,but I don't have any more
I used to have a cat.
2It is not necessary for you to set off early
You don't need to set off early.
3she stared learning Frecnh threes ago,and she still studies it
She has learnt French for three years.
4Hoa will be fifteen next week
It is Hoa's fifteenth birthday next week.
5How long is it since you used the computer?
When did you use the computer?
6 Nam doesn't type as fast as he used used to
Nam used to tye faster than now.
1 try(to forget) it;it isn't worth(worring)about it
2 there is no point in (remaining) in a dangerous place if you can't do anything (to help) the people who have (to stay)there
3 the horse won't be well enough(to run)in tomorrow's race.he doesn't seem (to have)recovered from his long journey
4 it is usually easier(to learn)a subject by(reading)books than by(listening)to lectures
5 at first i enjoyed(listening)to him but a while i got tired of (hearing)the same story again ang again
6 it wouldn't be safe(to start)down now;we will have (to wait)till the mist clears
7 after(discussing)the matter for an hour the committee adjourned without(having)reached any decision
8 it is not much use (having) a bike if you don't knowhow (to use)it
9 i distinctly remember(to pay)him.i gave him 2 dollar
10 did you remember(to give)him the key of the safe?no i didn't.
11 please forgive me for(interrupting) you but would you mind (repeating)that last sentence
12 he made a lot of money by(buying)ticket in advance and (selling)them twice the price on the day of the match
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
viết lại câu
1.He can touch the light because she is very tall => He is ....tall enough to touch the light...........
2. The porter couldn't carry this heavy suitcase because was weak => The porter wasn't ....strong enough to carry this heavy suitcase...........
3. Tom intends to visit his friend next Sunday => Tom is .going to visit his friends nexr sunday.....................
4. She doesn't go to the movies becauseshe doesn't have time => Because she ........she doesn't have time,She doesn't go to the movies .................
5. To talk to Jill is interesting => It is ..............interesting to talk to Jill........
6. Lending him money is silly => It is .................silly to lend him some money,...........
7. To translate the letter into english is not easy => It is .....not easy To translate the letter into english ................
8. Swimming across this river is dangerous => It is dangerous to swim .across this river.....................
9. My brother can swimming very well => My brother is a ....good swimmer....................
10. Lan enjoyed taking about her favorite flim star => Lan was ..interested in talking about her favorite film star.................
11. Ann dislikes traveling by plane => Ann isn't ...........interested in traveling by plane......
12. I intend to come over to pick you up => I am ..........going to come over to pick you up...........
13. Remember to turn off the lights before going out => Don't ..forget to turn off the lights before going out.................
14. Hai is learning to drive => He is ...............learning how to drive..............
15. It isn't necessary for you to wake up so early => You don't ......have to wake up so early.................
16. You aren't allowed to make noise here => You mustn't ..........make noise here .............
17. It's better for you to rewiew what you have learnt => You should ....rewiew what you have learnt .......................
18. You have beautiful hair => Your hair ..............is beautiful............
19. I can't drive a car because I am only 16 years old => I am not .......old enough to drive a car.............
20. The boy is too short to take the book from the shelf => The boy is not ..............tall enough to take the book from the shelf .......
21. He likes singing English songs => He enjoys .............singing English songs.............
22. To give up this job is stupid => It is ........ stupid To give up this job.........
23. He is difficult to understand => It is ...............difficult to understand him......
24. He is tired that he can't study => He can't study because ....he is tired............
25. How old is she ? => What ...is her age ?.................
26. What is the weather like today ? => How ...........is the weatherr to day /.............
1 I ...play with dolls when i was small
A Enjoyed B hate Cstarted D used to
2 it(take) takes him two hours to finish thr exercise
3 i had no difficulty (listen) listening to her english
4 we are....buying a new motorbike
A considering B deciding C expecting D thinking
5 if the earth stops(move) moving around the sun ,there will be no light on earth
6 if we don't do anything...the ice on the poles from melting,the earth will be flooded one day
A for stop B to stopping C to stop D stop
7 unless we ...throwing garbage into the river,it will be polluted
A stop B don't stop C will stop D won't stop
8 the pollution rate in this area seems (increase) to increase slowly
9 your hair is too long now.it needs ...
A to cut B cutting C being cut D to be increase
10 your hair is too long now. It needs
A to cut B cutting C being cut D to be cutting
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