用单词的适当形式填空。

1. The old man has a very bad ______ (head).

2. He usually goes to a movie ______ (two) a week.

3. She has a good ______ (eat) habit.

4. I have an American friend ______ (name) Tom.

5. He looks ______ (worry) because his son is ill.

6. They often take ______ (walk) after dinner. 

7. What about ______ (go) swimming?

8. Some of the ______ (girl) come from Greece.

9. I have a good way of ______ (learn) English well.

10. This lesson is ______ (easy) than that one.