—________ I go out to play now,Mum? —No,
题型：选择题
问题：
—________ I go out to play now,Mum?
—No, you ______.You should do your homework first.[ ]
A. Must ; mustn't
B. Must ; wouldn't
C. May ; needn't
D. May ; mustn't
—________ I go out to play now,Mum?
—No, you ______.You should do your homework first.[ ]
A. Must ; mustn't
B. Must ; wouldn't
C. May ; needn't
D. May ; mustn't