( )1.Excuse______,are you a nurse? A)I B)me C)my

( )2.A:______is that woman? B:She is my mother. A)what B)who C)why

( )3.Don't______the windo

6.A 7.B 8.C 9.B 10.B

11.A 12.A 13.C 14.B 15.C

16.A 17.C 18.B 19.A 20.A