相关推荐：
【英语模拟题】
10. I have not found my book yet; in fact, I am not sure _______ I could have done with it.
A. whether B. why C. what D. when
11. You are getting too old for football. You’d better _______ tennis instead.
A. take in B. take up C. take for D. take over
12. The mere fact _______ most people believe nuclear war would be mad does not mean that it will not occur.
A. what B. which C. that D. why
