30.There is more land in Australia than the government knows　　　 　.

A. what to do with　 B. to do with it　　　 C. how to do　　　　 D. to do it

29.They　　　　　 at least ten minutes ago.

A. ought to leave　　 B. must have left　　 C. might leave　　　 D. should leave

28.　　　 we are doing has never been done before.

A. That　　　　　　 B. What　　　　　 C. Which　　　　　　 D. Whether

27. Once environmental damage　　　 　,it takes many years for the system to recover.

A. has done　　　　 B. it to do　　　　　 C. does　　　　　　 D. is done

26. ┄When did he leave the classroom?

┄He left　　 you turned back to write on the blackboard.

A. the minute　　　 B. the time　　　　 C. until　　　　　　 D. before

25.Please call again. Jim　　 a bath just now.

A. has had　　　　 B. was having 　　　C. is having　　　　 D. has

24. ┄ Henry doesn’t seem like the same person.

┄　　 so much in the war has made him more thoughtful.

A. For him to see　　 B. His seeing　　　 C. Having seen　　　 D. To have seen

23. I’m looking after Tom today. He’s been at my house　 　　　8:00 this morning.

A. since　　　　　　 B. for　　　　　　 C. at　　　　　　　 D. till

22.Though he is　　　 worker, he works very hard.

A. a common　　　　 B. an ordinary　　　 C. a usual　　　　　 D. a general

第一节 单项填空(共15小题；每小题1分，满分15分)

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.┄Excuse me , where can I find the post office?

┄Go down this street. Turn right at the first light and you’ll see it on the left.

┄Did you say right at the first light?

┄　 　　.

A. No, left　　　　　 B.OK　　　　　　 C. Thank you　　　 D. That’s right