A) was used to be　　B) used to be　　C) was used to　　D) use to

18)“We didn't see him at the exhibition yesterday.”“He ___it.”

A) mustn't visit　　B) can't have visited　　C) should have gone to see　　D) may see

19) Mary ____my letter, otherwise she would have replied before now.

A) should have received　　 B) has received

C) Couldn't have received　　D) ought to have received

20) I ____ you a valuable present for your birthday, but I was short of money.

A) would have liked to give　　B) liked to give

C) have liked to give　　D) would like to give

21)“Where ____ my umbrella?”“Somebody ____ it away by mistake.”

A) is, must have taken　　B) is, must take　　C) have been, must take　　D) is, takes

22) What ____ would happen if the director knew you felt that way?

A) will you suppose　　B) you suppose　　C) do you suppose　　D) you would suppose

23) Two eyes ____see more than one.

A) can　B) may　　C) will　　D) should

24) ____ you continue in your efforts and achieve new and greater successes.

A) Would　　B) Will　　C) May　　D) Should

25) We ought to help each other in our work, ____?

A) oughtn't we　　B) should we　　C) shouldn't we　　D) ought to we

26) Tom ____ better than to ask Dick for help.

A) shall know　　B) shouldn't know 　　C) has known　　D) should have known

27) You ____ your tooth pulled out before it rot completely.

A) had better got　　B) had to get better 　　C) had better to get　　D) had better get

28) When we got to the cinema, the film hasn't started yet, so we ____.

A) needn't hurry　　B) didn't need hurry　　C) needn't to hurry　D) needn't have hurried

29) It was really very dangerous; you ____ him seriously.

A) might have injured　　B) could injure　　C) should have injured　　D) must injure

30) As he had heart attack, he was told that he ____ continue the work.

A) needn'tB) may not 　　C) mustn't　　D) can't

31) An Englishman who ____not speak Italian was once traveling in Italy.

A) must　　B) could　　C) may 　D) might

32) I ____like to make a suggestion.

A) could B) would C) must D) might

33) I know things are hard with you, but you ____try to get over the difficulties.

A) can 　　B) may 　　C) must 　　D) ought

34 I can't find the recorder in the room. It ____ by somebody.

A) may have been taken away B) may leave 　　C) may take away 　　D) must have taken away

35) He ____the 9:20 train because he didn't leave home till 9:25.

A) can reach 　　B) could catch　　C) may not catch 　　D) couldn't have caught

练习题答案

1)A 2)C 3)A 4)C 5)B 6)C 7)D 8)D 9)D 10)D

11)D 12)C 13)D 14)B 15)B 16)B 17)B 18)C 19)C 20)A

21)A 22)C 23)A 24)C 25)A 26)D 27)D 28)D 29)A 30)C

31)B 32)B 33)C 34)A 35)D

.

10)”Must I wait for you ?” “No, you __________.”

11)All cars must be parked there. They __________ be parked here.

12)”May I go now ?” “No, you __________ .You must finish the job before you go .”