30. Sorry I’m so late, but you cannot imagine ________ great trouble I took to find your house.

　 A. what　　　　　　　　　 B. how　　　　　　　　 C. which　　　 　　　　　　　 D. why

29. Too high house prices can be brought under control, _______ the authorities introduce a series of regulatory policies.

　 A. even if　　　　　　　　 B. as if　　　　　　　　　 C. so that　　　　　　　　　 D. provided that

28. Occasions are quite rare ________ I have time to spend a day with my kids.

　 A. who　　　　　　　　　　　　　 B. which　　　　　　　　　　 C. why　　　　　　　　 D. when

27. ----English has a large vocabulary, hasn’t it?

----Yes. _____ more words and expressions will help you easily read and communicate.

A. Know　　　　　　　　 B. Knowing　　　　　　　　 C. To know　　　　　 D. Known

26. My grandfather is fond of talking about the good old days, ________ is often the case with old people.

　 A. when　　　　　　　　 B. as　　　　　　　　　　 C. that　　　　　　　　 D. what

25. It’s the third time that John has been late, ____?

　　　 A. hasn’t he　　　　 B. isn’t he　　 　　 　　C. isn’t it　　　　　　　 　　　　　　　 D. hasn’t it

24. ________ surprises us most is that she doesn’t even know ________ the difference between the two lies.

　 A. What; where　　　　　　 B. All; which　　　　 C. What; that　　　　　 D. That; where

23. ----Why did you cancel your trip to the New York?

　 ----We were just about to leave ________ it started to snow.

　 A. when　　　　　　　　　 B. before　　　　　　　　　　 C. after　　　　　　　 D. since

22. She’s in a hopeless situation, ________ we will keep a very close eye on.

　 A. where　　　　　　　　 B. when　　　　　　　　　　 C. which　　　　　　　　　　 D. that

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，并在答题卡上将该项涂黑。

21. Steps must be taken ________ this kind of disaster will never happen again.

　 A. because　　　　　　　　　 B. even if　　　　　　　　　　 C. as　　　　　　　　　　 D. so that