第二部分 英语知识运用（共两节，满分35分）
第一节：单项选择（共15 小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的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. Judging from his ______ look, I can say Mr. Li is ______ at our arrival at this time.
A. annoying; annoyed B. annoying; annoying
C. annoyed; annoyed D. annoyed; annoying
22. ----Have you ever been to Beijing?
----Yes, only once. I ______ there only for two days.
A. stayed B. was staying C. have stayed D. had stayed
23. That day you must have been told about the massive pollution of tap water in Yancheng, a city in
Jiangsu Province, ______?
A. haven’t you B. didn’t you C. weren’t you D. mustn’t you
