（一）am is are填空: 1. I _ Ben. You _ May. He _ Tom. 2. You _ big and thin. She _ thin and small. 3. My sisters _ tall. My friend_ short. 4. I _ a teacher. 5. _ you a postman? 6. He _ your uncle. 7. Dotty _ a lovely. 8. They _ my pencils. 9. _ she a nuese? 10. _ it your dog? 11. My father _ my good friend. 12. The little rab
