第二部分：单项选择（共15小题：每小题1分，满分15分）
21．___ Mr. Smith is waiting to see you. He appears to be quite ____ important person.
A. /; an B. A; an C. The; the D. The; /
22. The computer system _____suddenly while Paul was searching for information on the Internet.
A. broke in B. broke out C. broke up D. broke down
23. Did he find _____ hard to learn a foreign language ?
A. that B. him C. it D. himself
24．When _____ the letter, tears came to her eyes.
A. she was reading B. reading C. she reading D. read
25. Who would you rather ______ with the teacher about the problem?
A. talking B. talk C. have talked D. have talk
26. It is recognized that the part ___ the UN plays in international relations is important.
A. in which B. where C. that D. of which
27． sales of cars up by 30% last year, the traffic in Beijing has become increasingly terrible.
A. With B. Since C. For D. As
28. Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
