问题
选择题
—Must I do my homework now?
—Oh, no, you ____. [ ]
A. don't
B. mustn't
C. needn't
D. can't
答案
答案：C
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—Must I do my homework now?
—Oh, no, you ____. [ ]
A. don't
B. mustn't
C. needn't
D. can't
答案：C