第二部分英语知识运用(共两节，满分45分)
第一节 单项填空(共l 5小题；每小题1分，满分l 5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. —Waiter, ________?
—Wait a minute, sir. That’s $ 80 altogether.
A. would you charge me B. how much did we eat
C. may I have the bill, please? D. would you take the money
22. _____ in the regulations that you should not tell other people the password of your e-mail account.
A. It is required B. What requires C. What is required D. It requires
23.—You’ve been driving for hours. Shall I _________?
