20. I _would go_ out if I hadn't been so tired

21. If I _had_ a camera, I would have taken some pictures

22. You won't pass the examination _unless_ you study more

23. If only I _knew_ you wanted to invest money in business

24. If I were to leave my country, I _would be_ disappointed

25. If he hadn't wasted too much time, he _wouldn't have failed_ in his examination

26. If I had taken that English course, I _would have made_ much progress

III. Choose the best option.

20. I…………..out if I hadn’t been so tired.

a. will go b. went c. would have gone d. would go.

21. If I ………..a camera, I would have taken some pictures.

a. have b. had c. would have d. had had.

22. You won’t pass the examination……………you study more.

a. as long as b. unless c. if d. whether.

23. If only I …………you wanted to invest money in business.

a. had known b. knew c. have known d. know.

24. If I were to leave my country , I ……………disappointed.

a. probably be b. would have been c. will be d. would be.

25. If he hadn’t wasted too much time, he…………….in his examination.

a. would fail b. wouldn’t fail c. wouldn’t have failed. d. won’t fail.

26. If I had taken that English course, I ………..much progress.

a. had made b. would have made c. made d. would make.

1. we do not visit the museum because we have no time

A. If we have time, we will visit the museum B. if we had time, we would visit the museum

C. if we had time, we would have visited the museum D. if we had time, we will have visited the museum

2. ..........i have time, I will go with you

a. if B. unless C. so D. so that

3. If i .........who took your umberella, I would tell you

A. know B. knew C . known D. had know

4. If the automobile had not been in invented years ago,.......for basic transporttation now

a. what we would use b,what would we use c, what we will have used d, what we will be using

5, if the police had not saved me, i ..........at that time

a. will die b. would die c, will have died d, would have died

6. if i had time, i........and help you

a. will come b, would come c, will have come d, would have come

7, if I ......the truth, i would tell you

a, will know b, know c, hvae known d, knew

8, I'll return Bob' pen to him the next time if I .....him

a, will see b, see c, will have see d, have seen

9. I' d have told you if I .......the book

a, would have been b, should have seen c, had seen d,saw

10, If I..............more time , I would not have said such nonsense

a, am b, have been c, will be d,had been

đánh đáp án câu 4 là what would we have used nhá

1. what would you do if you....a milion dollars?

A,would win B. win C.had won D.won

2. If there.....the rice fields could have been more productive

A.had been enough water B.were enough water C.would be enough water D.are enough water

3. ......... she agreed, you would have done it.

A.If B. had C.should D.would

4.if you inherited a milion pound, what..... with the money?

A.do you do B.will you do C.would you do D.are you going to do

5.tom.....for the examination last week if he..... that it would be so difficult

A.wouldn't enter/had know B.wouldn't have entered/knew C.wouldn't have enter/had know D.wouldn't enter/knew

1. what would you do if you....a milion dollars?

A,would win B. win C.had won D.won

2. If there.....the rice fields could have been more productive

A.had been enough water B.were enough water C.would be enough water D.are enough water

3. ......... she agreed, you would have done it.

A.If B. had C.should D.would

4.if you inherited a milion pound, what..... with the money?

A.do you do B.will you do C.would you do D.are you going to do

5.tom.....for the examination last week if he..... that it would be so difficult

A.wouldn't enter/had know B.wouldn't have entered/knew C.wouldn't have enter/had know D.wouldn't enter/knew

Exercise 3: Choose the best answer

1.     This is a difficult problem. I wish I ……..the answer.

a. know                     b. knew                     c. had known                      d. would know

2.     I couldn’t come to Mary’s birthday party last night. I wish…….. there.

a. I could                   b. I had come          c. I could have come         d. came

3.     I can’t understand anything Marie says. I wish I …….French.

a. can speak             b. speak                   c. could speak                     d. speaking

4.     I want to get in touch with Jane. If only I …….her phone number.

a. knew                     b. to know                c. know                                 d. knowing

5.     Helen has a lot of work to do today. She wishes she …….more time.

a. has had                 b. has                         c. had had                            d. had

6.     Mary didn’t get good marks for the test last week. She wishes she …….more carefully.

a. study                     b. would study        c. studied                              d. had studied

7.     I wish you …….watching television while I am talking to you.

a. stop                       b. stopped                c. stop                                    d. to stop

8.     Bill wishes he …….more money so he could buy a new bike.

a. has                         b. have                      c. had                                     d. having

9.     If only I…….a birth, I could fly freely to anywhere I want.

a. am                          b. was                                    c. were                      d. would be

10.                        I wish I …….so rude to my parents yesterday.

a. weren’t                 b. hadn’t been                    c. haven’t been       d. am not

11.                        I wish I ……..play the piano as well as my close friend ……..

a. could/ play          b. can/ plays                                    c. could/ plays         d. can play

12.                        I wish I …….. to my parents. Now it’s too late.

a. listen                      b. would listen                    c. have listened       d. had listened

13.                        If only he ……..me the truth, I didn’t treat her badly.

a. told                                    b. had told                            c. tells            d. would tell

14.                        I wish I ……to the movies with you last night.

a. went                      b. go                                       c. have gone                        d. had gone

15.                        She wishes she  ……him the bad news yesterday.

a. didn’t tell              b. doesn’t tell                      c. hadn’t told           d. wouldn’t tell

16.                        If only I …… for that job, I might be a typist now.

a. apply                     b. applied                             c. had applied          d. have applied

Exercise 3: Choose the best answer

1.     This is a difficult problem. I wish I ……..the answer.

a. know                     b.knew                    c. had known                      d. would know

2.     I couldn’t come to Mary’s birthday party last night. I wish…….. there.

a. I could                   b.I has come          c. I could have come         d. came

3.     I can’t understand anything Marie says. I wish I …….French.

a. can speak             b. speak                   c. could speak                   d. speaking

4.     I want to get in touch with Jane. If only I …….her phone number.

a. knew                     b. to know                      c. know                            d. knowing

5.     Helen has a lot of work to do today. She wishes she …….more time.

a. has had                 b. has                         c. had had                            d.had

6.     Mary didn’t get good marks for the test last week. She wishes she …….more carefully.

a. study                     b. would study        c. studied                           d. had studied

7.     I wish you …….watching television while I am talking to you.

a. stop                                b. stopped         c. stop                                    d. to stop

8.     Bill wishes he …….more money so he could buy a new bike.

a. has                         b. have                                  c. had                               d. having

9.     If only I…….a birth, I could fly freely to anywhere I want.

a. am                          b. was                                           c. were                     d. would be

10.                        I wish I …….so rude to my parents yesterday.

a. weren’t                 b. hadn’t been                      c. haven’t been       d. am not

11.                        I wish I ……..play the piano as well as my close friend ……..

a. could/ play          b. can/ plays                                    c. could/ plays           d. can play

12.                        I wish I …….. to my parents. Now it’s too late.

a. listen                      b. would listen                    c. have listened        d. had listened

13.                        If only he ……..me the truth, I didn’t treat her badly.

a. told                                            b. had told                            c. tells            d. would tell

14.                        I wish I ……to the movies with you last night.

a. went                      b. go                                       c. have gone                        d. had gone

15.                        She wishes she  ……him the bad news yesterday.

a. didn’t tell              b. doesn’t tell                          c. hadn’t told           d. wouldn’t tell

16.                        If only I …… for that job, I might be a typist now.

a. apply                             b. applied                        c. had applied          d. have applied

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

CHọn câu trả lời đúng:

1) Tha teaching of history shouldn't be.........to date and figures.

A.limiting B.limitation

C.limit. D.minuted ( limited )

- Câu này bị động

2) We don't have the...............to update our computer software.

A.sources. B.resources

C.funds. D.origins

3) One third of the world's...... consumes two thirds of the world resources.

A.people B.men

C.population D.human

4) The practice of controlling the number of children a person has, using various methods of contraception is called.................

A.family planning

B.birth control

C.population

D. A&B

5) When a person has an infectious diseases, he is........ from other people.

A. isolated. B. Limited

C. Separated. D.confined

6) Since the early 1990s Viet Man has experienced............ growth but th differences between the lives of the rich and the poor have been greater.

A. population B.economic

C.educational D.financial

7) A person who has moved from one place to another especially to find work.

A.emigrant B.immigrant

C.migrant D. A&C

8) What's the........ of your country.

A.populate B.population

C.populous D.popular

9) If the ball.......... the line, that would have been the end of the game.

A.would cross. B.Will cross

C.has crossed. D.crossed

10) If someone knocked a candle over, it............ a fire.

A.will start B.started

C.would start. D.would have started

11) If you......... told us about the bad service, we would have eaten there.

A.hadn't B.don't

C.didn't D.wouldn't have

12) What would Tom do if he ...........the truth?

A. would know B. knows

C. had known D. knew

13) If I ...........you were sick. I would have called sooner.

A. knew B. had known

C. know D. would have known

14) If there........... a row, I'm going to keep out of it.

A. will be B. is

C. were D. had been

15) If I ............ you, I'd call and apologise .

A. am B. were

C. would be D. was

1.B

2.A

3.C

4.D

5.C

6.A

7.B