第二部分：英语知识运用（共两节，满分30分）
第一节 单项填空（共10小题；每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白的最佳选项，并在答题卡上将该选项涂黑。
例：We _____ last night ,but we went to the concert instead.
A. must have studied B. might study
C. should have studied D. would study
答案是C。
21. —Would you permit me ________ here?
—Sorry. We don't permit ________ here in the reading room.
A. to smoke; smoking B. to smoke; to smoke
C. smoking; to smoke D. smoking; smoking
22. Friendship can’t be ________in terms of money but money is an effective means to ______ how strong the friendship is.
A. measured; test B. weighed; weigh C. measured; measure D. tested; measure
23. The fact was that I lost my wallet on my way and missed the bus, which _________my being
