用所给词的适当形式填空。

1. Jim came to China several years ago. Now he can _____ (sing) Beijing Opera very well.

2. He likes _____ (play) the trumpet.

3. Would you like _____ (join) our art club?

4. I need some _____ (help) to carry this heavy bag.

5. He can't _____ (swim) across the river. He is too young.

6. Beijing Opera _____ (be) very beautiful, and people can learn about Chinese history by listening to it.

7. She wants _____ (talk) to you for some information about the English corner (角).

8. Tom's little brother always _____ (ask) some questions.

9. Don't _____ (call) me at night.

10. We must _____ (arrive) at school at 6:30 every morning.