从方框中选择单词或词组并用其适当形式填空。

1. ________ litter is almost never allowed.

2. Would you mind not ________ your CDs so loud? It’s midnight now.

3. It suggests ways to take an _______ in learning English.

4.-- My I ask you a _______ question?

  -- Certainly.

5. Sometimes the Japanese ___________the presents to someone else.

6. My brother has a new dog _______ David.

7. His father bought him a car on his ___________birthday.

8. It’s a good idea to start a kite _________ club.

9. The more careful you are, the ______ mistakes you make.

10. You can go out with your friends. But remember _______ your homework first.