Chọn câu trả lời đúng cho mỗi câu sau.

1. My dog ___ bark unless it is hungry.

​A. don’t​B. won’t

2. Unless you ___ to go to bed early, we should go out.

​A. wants​B. want

3. ___ you don’t slow down, we are going to crash!

​A. If​B. Unless

4. You cannot go into bars ___ you are over 18.

​A. If​B. unless

5. In my country, ____ you cannot speak English, it’s hard to get a good job.

​A. if​B. unless

6. She’ll fail the exam if she ___ study.

​A. if​B. doesn’t

7. We’ll be late ____ we leave soon.

​A. if​B. unless

8. ___ I am not feeling better tomorrow I will go to the doctor’s.

​A. Unless​B. If

9. ____ you do not make the payment in time, your car will be confiscated.

​A. If​B. Unless

10. You will lose your job ___ you change your attitude and become friendlier.

​A. unless​B. If

11. She won’t know the truth ___ you tell it to her.

​A. unless​B. if

12. ____ you arrive early, you’ll be able to meet the customers before the meeting.

​A. Unless​B. If

13. ____ she eats healthy food, she won’t lose some weight.

​A. Unless​B. If

14. They won’t arrive on time ___ they finish the work early.

​A. unless​B. if

15. Will she able to eat some cake ___ I put eggs in it?

​A. unless​B. if

1 where ................... you go if you have a car ? a will b are c would d were

2 you will fail the exam , ...........................you study harder a as b if c unless d although

3 if i ............................ a bird , i would be a dove a are b were c am d is

4 if today .............................sunday , we .......................to the beach a is / would go b were / would go c will be / will go d were / will go

5 if it .................... this morning , i will not to out a rain b rained c rains d raining

6 nobody hates you ! it is all in your ......................................... a imagine b imaginary c imagining d imagination

7 i am poor , so i can not buy a car a if i am rich , i can buy a car b if i were rich , i can buy a car c if i were rich , i could buy a car d if i were rich , i will buy a car

8 water these plants or they will die a if you did not water these plants , they will die b if you water these plants , they will die c if i do not water these plants , they will die d if you are watering these plants , they will die

9 where is lan ? _parhaps she is working a she may be working b she can be working c she must be working d she will be working 10 nam will probalby be there a nam is here b nam might be there c she must be there d nam might not be there

11 the house ............................. shakespeare was born is open to the public a where b which c that d when

1 2 a .......................... was a person who went through city streets shouted the latest news a town crier b magician c singer d clown

13 if he spoke english more slowly , she ......................... so many mistakes a will not make b would not make c did not make d made

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

I. Choose the best answer to complete the following sentences.

1. If Peter .........., Sarah will be sad because she wants to meet him very much

a. comes b. do not come c. does not come d. will come

2. If his teeth still ........, he will have to go to the dentist’s again.

a. hurt b. hurts c. to hurt d. will hurt

3. If it..............., they will not go out.

a. rains b. rained c. rain d. raining.

4. Betty will not go to the party unless John ...................too.

a. go b. went c. going d. goes

5. Miss An does not want to go on the trip if nobody..............with her.

a. go b. goes c. went d. going.

6. Mr Smith has to work on weekends if his manager.............him to.

a. tell b. telling c. told d. tells.

7. Unless they ...............her to work hard, she would not.

a. encourage b. encouraged c. encourages d. encouraging.

1. The signal they…..was extremely difficult to decode. (took on / got through / picked up / made for)

2. I…..all day tomorrow as usual. (am working / will work / will be working / will have worked)

3. It’s…..that you be at the airport by 6 tomorrow morning. (suggestive / valuable / decisive / advisable)

4. We need special insurance to..…medical expenses in case of accidents. (make / cover / cost / charge)

5. Robert is a provocative man who never takes anything for….. (granted / grant / grants / granting)
6. Jack made some…..excuses about the car having broken down. (feeble / light / faint / vague) 

7. Ted’s as smart as a….., so he’ll find a solution to this problem. (dictionary / book / newspaper / whip) 
8. Nick has sold his…..car. (black old German / German old black / old black German / old German black) 
9. His parents spent a lot of time persuading him to learn a..... (trade / job / work / career)

10. His landlady does not.....of his having parties at night. (agree / allow / permit / approve)

11. I cannot see the point..….on walls. (for writing / in writing / of writing / to write)

12. He’s a man who won’t…..his promise. (go through to / go back on / come up with / run away with)
13. Miners are wage-earners,.....teachers are salaried men. (therefore / whereas / otherwise / besides)

21. Of => in

22. He should => should he

23. Were => had been

24. Unless => if

25. Will be => is

26. Have => had

27. Buying => to buy

28. Not => not to

29. Drinking => drink

30. Quietly => quiet

31. Not => X

32. Would => will

33. Has => had

EX10. CORRECT ONE MISTAKE IN EACH SENTENCE.

1. He usually drinks coffee but today he drink tea.

→ is drinking

2. The kettle boils now. Shall I make tea?

→ is boiling

3. I usually go by bus but tomorrow I will go in Tom’s car.

→ by car

4. Mary do not seem to be able to learn English.

→ does

5. These workmen are never satisfied: they always complain.

→ they are always complaining

6. Look at the crowd! I am wondering what they are waiting for.

→ wonder

7. Stop! Don’t you see the notice? I hate you.

→ Didn't

8. She is always borrowing from me. She never remembers to pay me back.

→ alway borrows

9. A:  who owns this umbrella?

     B:   I am not knowing

→ don't know

10. You usually go quite slowly. Why do you go so fast today?

→ are you going

EX11. CIRCLE CORRECT ANSWER .

1. Listen! Some one............................ into my house.

a. is broken          b. is breaking             c. breaks                      d. breaks

2. I don’t ....................what you say.

a. believe                     b. believes                    c. is believing   d. believed

3. He usually goes to school by train, but today he ....................by car.

a. goes              b. went             c. go                             d. is going

4. She....................to the library every weekend.

a. go                             b. went             c. goes                d. is going

5. For the time being, my sister ...........................book in the dining room.

a. is reading                  b. reads            c. read              d. is read

EX10. CORRECT ONE MISTAKE IN EACH SENTENCE.

1. He usually drinks coffee but today he drink tea. 

2. The kettle boils now. Shall I make tea?

3. I usually go by bus but tomorrow I will go in Tom’s car.

4. Mary do not seem to be able to learn English.

5. These workmen are never satisfied: they always complain.

6. Look at the crowd! I am wondering what they are waiting for.

7. Stop! Don’t you see the notice? I hate you.

8. She is always borrowing from me. She never remembers to pay me back.

9. A:  who owns this umbrella?

     B:   I am not knowing

10. You usually go quite slowly. Why do you go so fast today?

EX11. CIRCLE CORRECT ANSWER .

1. Listen! Some one............................ into my house.

a. is broken          b. is breaking             c. breaks                      d. breaks

2. I don’t ....................what you say.

a. believe                     b. believes                    c. is believing   d. believed

3. He usually goes to school by train, but today he ....................by car.

a. goes              b. went             c. go                             d. is going

4. She....................to the library every weekend.

a. go                             b. went             c. goes                d. is going

5. For the time being, my sister ...........................book in the dining room.

            a. is reading                  b. reads            c. read              d. is read