18、Helen and I______in the classroom. 19、I _____a doctor. 20、______you a nur
练习：
一、用am, is, are 填空
1. I ______ a boy. ______ you a boy? No, I _____ not. 2. The girl______ Jack\'s sister. 3. The dog _______ tall and fat.
4. The man with big eyes _______ a teacher. 5. ______ your brother in the classroom?
6. Where _____ your mother? She ______ at home. 7. How _______ your father?
8. Mike and Liu Tao ______ at school. 9. Whose dress ______ this?
10. Whose socks ______ they? 11. That ______ my red skirt. 12. Who ______ I ?
13.The jeans ______ on the desk. 14.Here ______ a scarf for you. 15. Here ______ some sweaters for you. 16. The two cups of milk _____ for me. 17. Some tea ______ in the glass. 18. Gao shan\'s shirt _______ over there. 19. My sister\'s name ______ Nancy. 20. This ______ not Wang Fang\'s pencil. 21. ______ David and Helen from England? 22. There ______ a girl in the room. 23. There ______ some apples on the tree. 24. _______ there any kites in the classroom? 25. _______ there any apple juice in the bottle?
26. There _______ some bread on the plate.
27. There _______ a boy, two girls, three men and ten women in the park.
28. You, he and I ______ from China. 二、用be动词的适当形式填空
1. I _______ at school just now（刚才）. 2. He ________ at the hotel last week. 3. We ________ students two years ago.
4. They ________ on the farm a moment ago(刚才). 5. Yang Ling ________ eleven years old last year. 6. There ________ an apple on the plate yesterday. 7. There ________ some milk in the fridge on Sunday.
