9.　　 When you walk, you exercise your leg m_________.

8.　　 I think children should drink the s_________ drink such as coca, sprite.

7.　　 O_________ vegetables are those that are grown without c_________ that can be harmful to human beings or the _________(环境).

6.　　 The car doesn’t f_________ well; I think you’d better have it repaired.

5.　　 If you are s_________, you had better go to bed.

4.　　 Don’t give me meat any more. I am on a d_________.

3.　　 Doctors advise us not to eat fruit which is not r_________.

2.　　 Young people always have more e_________ than the old.

1.　　 Do you know that a worker ant has two _________(胃)?

1.