精选优质文档-倾情为你奉上一般现在时练习一用be动词适当的形式词填空。1. I _ from Australia.2. She _ a student.3.Jane and Tom _ my friends.4. My parents _ very busy every day.5. The girl_ Jacks sister.6. The dogs _ tall and fat.7.The bag _ green.8. My name is _ Li Dong. I _ twelve.9. I _ (not) in Class 2.10. Helen_(not) a doctor.11. This _ (not )Wang Fangs pencil.12. My sisters name _