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.