49.---Did _______ get through the driving test?　 ---No, __________. A few failed.

A. everybody；not all　 B. anybody；no one C. everybody；none D. anybody；not all

48.---Do you mind if I open the window?　　 ---__________, but I've caught a bad cold today.?

A. No, not at all　 B. Yes, of course not　 C. Yes, please　 D. I'm sorry

47.---Who __ it be that is knocking at the door? ---It ___ be Father, but I'm not sure.

A. can, must　 　　　 B. must, can　 　　　　　　　 C. can, may　 　　　　 D. may, must

46.---__________did you sleep last night?　　 ---Like a log. Never slept better.

A. What　 　　　　　　 B. Where　 　　　　　 C. When　 　　　　　 D. How　

45.---You ____ him the news. I told you to keep it a secret. ---Oh, I'm terribly sorry.

A. mustn't　 　　　　 B. can't tell　 　　　 C. shouldn't have told　 D. couldn't have told

44.---Peter was killed in a car accident!　 ---__ I talked with him yesterday morning.

A. What a pity!　 　B.I beg your pardon.　 C. Sorry to hear that.　 D. Is that so?

43. ---Mike is looked down upon.　

---So he is. He's thought of as the ____ important person there.

A. most　 　　　　　　 B. more　 　　　　　 C. least　 　　　　　　 D. less　

42.__________ Peter __________ Mary can help me, for they're very busy.

A. Both；and　 　B. Neither；nor 　　　 C. Either；or　 　　 D. Not only；but also

41. John passed the exam. He didn't study very much for it. The exam ____ difficult.

A. can't have been　 B. mustn't have been　 C. couldn't be　 D. needn't have been

40. ---The exam was very easy, wasn't it?　 ---Yes, but I don't think __ could pass it.

A. somebody　 　　　 B. anybody　 　　　　 C. everybody　 　　　 D. nobody