6、莫丢弃。变否定,更容易,be后not莫忘记。疑问否定任你变,句首大写莫迟疑。Be动词专项练习用am, is, are 填空:1.I ______ a student. ______ you a student? No, I _____ not. 2. The girl______ Jack's sister. 3. The dog _______ tall and fat. 4. The man _______ a teacher. 5. ______ your brother in the classroom?
7、 6. Where _____ your mother? She ______ at home. 7. How _______ your father? 8. JaneandTom_________myfriends 9. Where_____mypen? 10. Where______mybooks? 11. That ______ my red skirt. 12. Who ______ I? 13.The jeans ______ on the desk. 14.Here ______ a photoo
8、fmyfamily. 15. Here ______ some sweaters for you. 16. The black book ______ for Su Yang. 17. This pair of socks______ 20dollars. 18. The two cups of milk _