问题
选择题
—May I do the homework tomorrow?
一No, you ______. You should hand in before class tomorrow. [ ]
A. mustn't
B. needn't
C. couldn't
答案
答案：A
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—May I do the homework tomorrow?
一No, you ______. You should hand in before class tomorrow. [ ]
A. mustn't
B. needn't
C. couldn't
答案：A