第二部分：英语知识运用
单项填空（共15小题；每小题1分，满分15分）
21. ---Do you enjoy talking with your friends on the telephone or mobile phone?
--- . I like using QQ.
A. Either B. Neither C. Any D. None
22. ---It’s the classroom! So you know smoking is not allowed here.
---Oh, I’m sorry.
A. must B. will C. may D. need
