(A)单项填空从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. _______ enjoyable music programme on Channel 3!
A. How B. How an C. What D. What an
22. ---What are the police doing there?
---They are _______ the building. A robber ran into it just now.
A. finding B. searching for C. searching D. looking for
23. --- Excuse me, where is the nearest hospital?
--- Go _______the road, then turn left _______the first turning.
A. down; in B. across; on C. along; at D. along; across
24. --- _______did it _______ the conductor to check the tickets this morning?
--- Half an hour.
A. How soon; take B. How long; cost
C. How often; spent D. How long; take
25. ---Hi, Kate. You look tired. What's the matter? --- I _______well last night.
A. wasn't B. don't sleep C. haven't slept D. didn't sleep
26. They _______ the train until it disappeared in the distance.
A. saw B. watched C. noticed D. realized
27. ---Who left the window _______?
--- Sorry. I forgot _______it when I left yesterday.
A. opened; to close B. open; to close C. open; closing D. opening; closing
28. If you want to keep _______, You _______ do more exercise and eat less.
A. health; shall B. healthy; shall C. health; should D. healthy; should
29. I heard him _______ the piano in the next room at 10:00 last night.
A. played B. to play C. playing D. plays
30. Be _______. Make sure not to make the same spelling mistake next time.
A. peaceful B. careful C. helpful D. thankful
31. --- The exam was very easy, wasn't it? --- Yes, but I don't think _______ could pass it.
A. somebody B. everybody C. nobody D. anybody
32. ---Tom finish the rest of your homework tonight and _______it to school tomorrow.
--- I will, Mr. Wu.
A. take B. get
