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—MustItellhert—MustItellherthegoodnewsatonce?—No,you.Youmaywaituntilshecomesback.[]A.mustn'tB.needn'tC.can't

题目详情
— Must I tell her t
— 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
▼优质解答
答案和解析
B