用动词be (am,  is,  are)填空。

1. She _____ a teacher. Her name _____ Mary.

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. Its name _____ Polly.

6. David _____ a student. His sister _____ a student, too.

7. These books _____ blue. They _____ English books.

8. Li Lei _____ at school today. He _____ drawing a picture now.

9. Amy and Kay _____ here. They _____ not at home.

10. _____ you teachers? No, we _____ not. We _____ students.

11. My favorite color _____ blue.

12. Tom's brother _____ not in the room.