.Unit 1用所给词的适当形式填空: 1. Nice to see ( )again. (your)2. Im from. ( ) .(American)3. Where ( ) you from? (be)4. Have some ( ). (fruit)5. This is ( ) father. (I)6. ( ) is cool. (He)7. Hes a ( ). (drive)8. Whats ( ) mother? (your)9. ( ) is a doctor. (her)10. ( )uncle is a postman. (me)11. My aunt ( ) a TV reporter. (be)12. ( )father is a policeman. (you)13.What class are ( ) in? (your)14.( ) am in