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