二、单项填空(共20小题,计分20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。
( ) 21. --- What do you think of their school?
--- It’s really beautiful. But I don’t think their school is as big as ____.
A. ours B. us C. we D. our
( ) 22. He used to be _____, but now he likes to meet and talk to new people.
A. busy B. strong C. tall D. shy