用所给词的适当形式填空。
1. His sister is a good ________ (dance).
2. Please pass ________ (I) some salt.
3. He is ________ (run) in the playground.
4. It's important to be ________ (health).
5. I like eating ________ (dry) fish very much.
6. My father ________ (mend) a clock now.
7. Some boys ________ (lie) on the beach(海滩).
8. I _______ (chat) with my friend on the Internet now.
9. My father often ________ (watch) TV after supper.
10. ________ (not open) the door. It's too cold outside.
