根据所给单词，写出单词的正确形式。

1. Which of the two _____ (knife) would you like?

2. Our school is small but _____ (they) is large.

3. Do you live on the _____ (one) floor?

4. Most of the books in the library are very _____ (help) to us.

5. Are there any books on the _____ (teacher) desk?

6. Do you know all the _____ (win) names?

7. There aren't any _____ (tomato) on the table.

8. Please let Lucy and _____ (she) sing a song first.

9. Ann does not wear _____ (glass).

10. Daniel is very good at _____ (swim).