选择题
1.(2010 .河北中考) —Do we have to finish our homework this afternoon?
—Yes, you ________.
A. must B. can C. may D. need
【答案】A
2.（2010·娄底中考） —Must I be in hospital for a week， Doctor?
—No， you . You can go back home tomorrow.
A.mustn’t B.needn’t C. must
【答案】B
