用am, is或are填空。

1. She ____ a teacher. Her name ____ Wang Li.

2. I ____ a boy. My name ____ Li Ming.

3. —Who ____ this girl?

    —She ____ Li Mei.

4. —How old ____ you?

    —I ____ eleven.

5. —What ____ this? 

    —It ____ a bird.

6. —What ____ its name? 

    —Its name ____ Polly.

7. I ____ in Row Four. I ____ a girl.

8. David ____ a boy. He ____ twelve.

9. It ____ a cat. It ____ five.

10. You ____ a teacher. He ____ a teacher, too.