12.I think ______ computer games is a waste of time.　　　

　　　 A. play　　　 　　B. plays 　　　　C. playing　　 　D. played

11.Jack invited me _____ to the movies.

　　　 A . go　　　　 　　B. to go　　 　　C. going　　 　　D. went.

10.He is very shy and always refuses _______ (communicate) with others.

II. 单项选择 (共20分)

9. You should tell your parents the ________ (true).

8. The wind beat the windows _________ (heavy).

7. Could I _____ (use）your ruler?

6．Ann often goes to school without ______ (have) breakfast.

5. The man made a d______ to stop smoking.

B) 用括号中所给单词的适当形式填空

4. Do you know the i_______ of learning English?

3. Jack has a toothache, he has to see a d______.