二、单项选择 在A、B、C、D四个选项中，选出可以填入空白处的最佳选项。(本大题共14小题，每小题1分，共14分)

21. I don’t make ________ clear when and where the parents’ meeting will be held.

A. this B. that C. those D. it

22. ________ Mary ________ Jack is listening to the report carefully, because they are both interested in it very much.

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

23. — Do you have any plans for the winter holiday?

— Since you are crazy about music, why not go to some ________ concerts?

A. lively B. live C. alive D. living

24. The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably

one of the highest.

A. since B. when C. as D. while

25. — What do you think of the young lady?

— She is hard-working. She ________ all her effort into her work before she got ill.

A. has put B. put C. had put D. would put

26. Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.

A. a high B. a higher C. the higher D. the highest

27. Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.

A. mustn’t B. ought not to C. needn’t D. don’t have to

28. — I’m new in Wuxi.

— Take a map of Wuxi with you. You’ll find it of great ________ in helping you to get round Wuxi.

A. price B. cost C. interest D. importance

29. Having ________ exercise every day will do great good to your health.

A. a lot B. a number of C. too much D. plenty of

30. He made a mistake, but then he took action to change the situation ________ it got worse.

A. until B. when C. before D. because

31. The radio says that a terrible traffic accident happened sometime ________ 8 a.m. ________ 10 a.m. this morning.

A. between; and B. from; to C. between; to D. from; and

32. You had better ________ some time every day for sports so that you can keep yourself energetic.

A. spend B. take C. spare D. give

33. Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?

A. to enter B. enter C. to leave D. leave

34. — How was your interview with the boss?

— ________. He seemed interested in my experience, but he didn’t ask for my recommendation letter.

A. Perfect B. I’m not sure C. That’s right D. Couldn’t be better