精选优质文档-倾情为你奉上练习1 be动词用恰当的be动词填空。 1. I _ a boy. _ you a boy? No, I _ not. 2. The girl_ Jacks 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 je