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-ShallIgetonemorecakeforyou,Dad?-Thanks,butyou,I'vehadenough.A.maynotB.mustnotC.can'tD.needn't

题目详情
-Shall I get one more cake for you,Dad?-Thanks,but you___,I've had enough.A.may not B.must not C.can't D.needn't
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答案和解析
D,排除mustn't and can't ,may not 是不行的意思