二、英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题：每小题1分，满分15分）
请从A、B、C四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项标号涂黑。
21.—Could I use your computer for a few minutes ,please?
— . I’m not using it.
A. Come on B. It just depends C. Go ahead D. That’great
22. The young student did all that he could ______the examinations.
A. pass B. passed C. to pass D. passing
23. The computer system _______suddenly while he was searching for information on the Internet.
A. broke down B .broke in C. gave out D. got through
24. This is the very factory ______we visited last year.
A. that B. which C. where D. in which
25. Things, ______is often the case, will turn out to be contrary to one’s wish.
A. which B. as C. whose D. it
26. Helen go on trip with us tonight, but she isn’t quite sure yet.
