(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湖南省婁底市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湖南省婁底市7. 1） -What do you think of the cake??

　　-I like it very much. It tastes .?

　　A.good B.terrible C. well

　　(2010.江蘇省鹽城市3.1)The desk is not dirty.You_______clean it.

　　A.mustnt B.shouldnt C.neednt C.cant

　　(2010.四川省內江市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

　　（2010.四川省自貢市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