内容介绍：文档 12Be 动词和一般疑问句 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 _______ a teacher. 5. ______ your