69.-- _________you pass me a pen? I' d like to write down the phone number.

　 --Sure. Here it is.

　　 A. Need　　　 B. Must　　　　 C. Could　　　　 D. Might

68.My parents never remember my telephone number, they always ______look it up.

　　 A. must　　　　 B. can　　　　 C. need　　　　　 　D. have to

67.--What happened to the roses I gave you?

　　 --The roses __ well, but I didn't water them.

　　 A. would grow　　　　 　　B. might grow　　　　　　　

C. would have grown　　　 D. needn't have grown

66. We __ booked. Look, the restaurant is almost empty.

　　 A. must have 　B. can' t have　　　 C. should have　 D. needn't have

65.--You are making me very nervous. Don' t you think you __ slow down a bit?

　　 --Oh, I'm sorry. I didn't realize I was going so fast.

　　 A. shall　　　　　 B. may　　　　 C. could　　　　　　　　 D. might

64. I __ work full time. I only work in the afternoons. I have lectures in the mornings.

　　 A. won' t　　　 　　B. can' t　　　　 C. shouldn't　　　　　　 D. may not

63. He doesn't have much money so he __ stay in a four-star hotel.

　　 A. mustn't　　　　　 B. can' t　　　 C. shouldn't　　　　　 D. needn't

62. She __ the hospital so soon, for she has not yet recovered.

　　 A. wouldn't have left　　　 B. shouldn't have left　　　

C. mustn't have left　　　 D. hadn't left

61. The boss __ the worker how to do it, or the accident couldn't have happened.

　　 A. can't have told　　　　 B. ought to tell　　　　　　　

C. could have told　　　　 D. mustn't have told

60.--Shall I go and buy two more bottles of beer?

　　 --No. I've already bought twenty. That__ be enough for us two.

　　 A. can　　　　 B. may　　　 C. ought to　　　　　 　D. might