31. — It ________ be Jack who is in the library.

— I’m sure it ________be him, I saw him off at the railway station just two days ago.

A. can’t; can’t e B. must; mustn’t C. must; can’t D. can’t; mustn’t

32. I ________tell her the truth about his marriage.

A. can’t help B. can’t but C. may not help D. mustn’t but

33. Since she is angry, we ________.

A. had better to leave her along B. should leave her alone

C. would rather to leave her alone D. must leave her alone

34. Look! What you’ve done to me. You ________more careful.

A. maybe B. had to C. should have been D. would be

35. ________read the letter for you?

A. Would you like me  B. Do you want me C. Will you mind me D. Shall I

36. He promised he ________not make such silly mistakes.

A. would B. should C. might D. could

37. ________it be true that his father will go abroad?

A. Can B. May C. Need D. Should

38. Those streams are so small that they ________be shown in the maps.

A. mustn’t B. may not C. can’t D. may

39. — May I use your bike?

— ________.

A. No, you may not B. No, you mustn’t C. No, you won’t D. Sorry, I’m afraid not

40. — Must I write to her?

— No, you ________.

A. mustn’t B. shouldn’t C. can’t  D. don’t have to

41. — Need I start tonight?

— Yes, you ________.

A. do B. need C. must D. may

42. The old man ________sit for hours watching the ships.

A. would B. should C. was used to D. would rather to

43. If the telephone ________ring, please wake me up.

A. would B. should C. will D. might

44. I wish they ________stop making remarks about me.

A. would B. will C. should D. shall

45. You’re thirsty, aren’t you? ________he get some coffee?

A. Does B. Shall C. Would D. Let

46. Which of the following is wrong?

A. That may be true. B. That might be true. C. That can be true. D. That could be true.

47. — Would you lend me some money?

— Yes, I ________.

A. would B. will C. can D. may

48. He ________ swimming when he was young.

A. was used to go B. got used to go C. used to going D. used to go

49. You say you ________ not do it, but I say you ________do it.

A. will; shall B. shall; shall C. shall; will D. will; will

50. You ________out yesterday without a coat. No wonder you caught cold.

A. should have gone B. shouldn’t have gone C. could not have gone D. might have gone

51. He ________the 8:30 train because he didn’t leave home until 9:00.

A. can’t catch B. couldn’t catch C. may not D. can’t have caught

52. You ________us this because we had more than enough.

A. needn’t bring B. needn’t have brought C. mustn’t bring D. couldn’t have brought