用am, is, are填空。

1. How old ________ you? I ________ eleven.

2. What ________ your phone number? It ________ 261 9854.

3. Here ________ the dictionaries.

4. －Tom and I ________ in the same class.

    －That ________ right.

5. Excuse me! ________ this your eraser?

6. What ________ those? ________ they birds?

7. He ________ my friend. ________ your friend a boy or a girl?