(2010 .河北省卷,31. 1) -Do we have to finish our homework this afternoon?
-Yes, you ________.
A. must B. can C. may D. need
（2010湖南省娄底市5. 1） -Must I be in hospital for a week， Doctor? ?
-No， you . You can go back home tomorrow.?
A.mustnt B.neednt C. must?
（2010湖南省娄底市7. 1） -What do you think of the cake??
-I like it very much. It tastes .?
A.good B.terrible C. well
(2010.江苏省盐城市3.1)The desk is not dirty.You_______clean it.
A.mustnt B.shouldnt C.neednt C.cant
(2010.四川省内江市23. 1)-What is your mother going to do this Saturday?
--Im not sure.She_____go to see my grandmother.
A.can B.must C.may
（2010.四川省自贡市31. 1）-May we leave the classroom now?
--No,you _________.You_________to leave until the bell rings.
A.must;are allowed B.cant ,arent supposed
C.neednarent allowed
答案：ABACCC