用所给词的适当形式填空

1. The man's _________(foot) are very big. It's hard for him to buy shoes.

2. It's easy to stay ___________(health).

3. I had a lot of ___________(headache) these days, so I should stay at home.

4. It's important to have a __________(balance) diet.

5. You shouldn't eat ________(something) before you see the doctor.

6. Something is wrong with one of my _______(tooth).

7. The boy is doing math ________(exercise) now.

8. "Children, don't talk in class! ", the teacher said ________(angry).

9. Jane speaks English well, so she is ________(activity) in English class.

10. New Year's Day is very important in some ______(west) countries.

在乐谱中，小节线的作用是用以确定音符的（）规律的记号