问题
选择题
—Must I stay here with you?
—No , you____.Just do your own business. [ ]
A. mustn't
B.needn't
C.can't
D.may not
答案
答案：B
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—Must I stay here with you?
—No , you____.Just do your own business. [ ]
A. mustn't
B.needn't
C.can't
D.may not
答案：B