题目内容
?Must I be back home before 6 o'clock?
?No, you ________. But don't be too late.
A. can't
B. mustn't
C. needn't
D. won't
答案:C
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题目内容
?Must I be back home before 6 o'clock?
?No, you ________. But don't be too late.
A. can't
B. mustn't
C. needn't
D. won't