问题
选择题
— May I copy your homework?
— Sorry, you _____. [ ]
A. may not
B. needn't
C. mustn't
D. won't
答案
答案：C
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— May I copy your homework?
— Sorry, you _____. [ ]
A. may not
B. needn't
C. mustn't
D. won't
答案：C