用括号中所给词的适当形式填空。

1. She has two hands and two ________ (foot).

2. She has got a ________ (print).

3. He checks the train timetable, but he doesn't buy any ________ (ticket).

4. This is the ________ (one) lesson of the book.

5. Are there any ________ (mouse) in your house?

6. Many ________ (visit) come to Beijing every year.

7. Tony ________ (not visit) his grandparents, but he often sends emails.

8. I don't know how ________ (download) music from the Internet.

9. September is the ________ (nine) month of the year.

10. Do they often use the Internet to send emails and ________ (photo)?