13. ---Can you solve the problem? ---Sorry, I can't. Why ___ ask the teacher ___ help?

A. don't, for 　　　　　　　B. not, about　

C. don't, about　 　　　　　D. not, for

12. Maria is from France. She studies English by _____ English movies.

A. watch B. watching C. to watch　 D. watched

11. You never go to the movies, ________?

A. don't you　 　　　　　B. do you　　

C. won't you　 　　　　　D. can't you

10. ----____ do you study English? ----By making flashcards.

A. Why　　 B. How　 C. What　 D. When

9. –It's too hot. Would you mind ____ the door?

　 ---_____. Please do it now.

A. to open, OK 　　　B. opening, Certainly not

C. opening, Of course　 D. to open, Good idea

8. __ is really hard __ them to climb Mount Tai.

A. This, to　 B. It, for　 C. This, for　 D. It, to

7. He often practice _____ the piano in his room.

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

6. If you don't know the word, you can _____ in the dictionary.

A. look it after　 　　　　B. look it up　　

C. look for it　 　　　　D. look at it

5. There is ____ smoke in the room.

A. much too　 　　　　B. many　

C. too much　 　　　　D. too many

4. You shouldn't ____ the boy's mistakes.

A. laugh at B. smile　 C. laugh　 D. laugh down