第二部分、英语知识运用（共两节，满分50分）
第一节、 单项填空（共20小题；每小题1分，满分20分）
从A、B、C、D 四个选项中，选出可填入空白处的最佳选项。
21.--- How about going out for a walk after supper ?
--- __________.
A. Good idea ! B. That’s right.
C. You are welcome. D. My pleasure.
22. I know of him, but I have no idea __________.
A. where does he live B. he lives where
C. where lives he D. where he lives
