11. I am not sure _______ the old woman mistook me ______ her daughter.

　　　 A. of, for　　 B. whether, for　　 C. if , of　　 D. that, for

10.It ______ me two and a half hours ______ my homework yesterday.

　　 A. took, to do　　 B. takes, to do　　 C. spent, doing　　 D. cost, to do

9.---I hope you can help me with my maths this evening.

　　　 ---______.

　　　 A. I’m not free　　 B. Yes, I’m busy　　 C. I hope not　　 D. Certainly

8. They must be visiting the Great Wall of China,______?

　　 A. mustn’t they　　 B. must they　　 C. aren’t they　　 D. are they

7.______ is very important for us ______ English well.

　　 A. That, to learn　　 B. It, to learn　 C. It, learning　 D. What, learning

6. I don’t think TV sets can ______ cinemas.

　　 A. take the place of　　 B. take place　　 C. take the place　　 D. take place of

5.I think cows ______ grass.

　　 A. live　　 B. feeding on　 C. living on　　 D. feed on

4.Maria, please pay attention ______ what the teacher says in class.

　　 A. to　　 B. at　　　 C. for　　 D. about

3.I spent ______ time writing the novel.

　　 A. a great deal　　　 B. a great deal of　　　 C. many　　 D. a great many

2.Kangkang. The window is broken. Please ______ who did it.

　　 A. find　　 B. look for　 　C. look up　　 　D. find out