问题
选择题
—Must I finish my homework at once?
—No, you _______. [ ]
A. hasn't
B. mustn't
C. needn't
D. must
答案
答案：C
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—Must I finish my homework at once?
—No, you _______. [ ]
A. hasn't
B. mustn't
C. needn't
D. must
答案：C