根据所给单词，在横线填入一个正确的单词形式。
1. I enjoy __________(watch) TV at night.
2. It's time _________(have) breakfast.
3. Now they ___________(listen) to the radio.
4. We have the __________(nine) unit.
5. Would you like ___________(make) friends?
6. The books are __________(help) to every kid.
7. He often practices _________(sing) under the tree.
8. Do you speak __________(Japan)?
9. That girl is very __________(love).
10. My mother asks me _________ (not open) the window.
