33. He _____ to the airport yesterday, though he didn’t meet the guest.

　 A. does go　　 　　　　B. was go　　　　　 C. didn’t go　　　　　 D. did go

32. Bison (野牛) were killed for their meat, ______ their fur (毛皮) provided warm clothing during cold winters.

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

31. The CCTV evening news comes on at 7:00 and ____ only thirty minutes.

　 A. keeps　　　　　 B. continues　　　　 C. finishes　　　　　 D. lasts

30. It was to New York ______ he went in the hope of finding work on one of the New York newspaper.

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

29. Jules spent many hours in Paris libraries _____ geography, physics and many other subjects.

　　A. to study　　　 B. to studying　　　　 C. studying　　　　 D. study

28. Frank’s dream was to have his own shop _____ to produce the workings of his own hands.

A. that　　　 B. in which　　　 C. by which　　　 D. how

27. _____, he would have succeeded in the exams.

A. If he has worked hard 　　 B. If he works hard

C. Did he work hard 　　　　 D. Had he worked hard

26. The doctor did _______ to save his brother's life.

A. all what he could 　　 B. as much as possible

C. all could be done 　　 D. as much as could

25. it’s suggested that some changes ______ be made about the plan for the meeting.

A. would　　　　 B. should　 　 C. must　　 D. might

24. Production fell _______ 20% in May, _______ the same month of last year.

A. in, compared to　 　　　　 B. by, compared to

C. with, compared with　 　　 D. by, comparing with