8. You can get better results if you (not be) careless.

7. We must try our best to stop the pollution . (live) a happy life.

6. We must practice as much as we can (chat) with foreigners to improve our spoken English.

5. There will be a model competition next month. We (make) model planes these days.

10. As I have a meeting,ten minutes (be) all that I can spare to talk with you.

4. His parents didn't let him play the computer games until he   (finish) his homework.

3.i'm afraid i(leave) my keys to the door at home. I can't get into the office.

2. Jack's mother (tie) the shoes for him when the telephone rang.

1. Look!The new dress your mother gave you (fit) you so well!

() 15. — Do you mind if I close the door?

一 . I feel a little cold too.

   A. All right   B. Not at all   C. Yes,I do   D. Of course,I do