问题
选择题
— Must I tell her the good news at once?
— No, you ______. You may wait until she comes back. [ ]
A. mustn't
B. needn't
C. can't
答案
答案：B
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— Must I tell her the good news at once?
— No, you ______. You may wait until she comes back. [ ]
A. mustn't
B. needn't
C. can't
答案：B