题目内容
【题目】—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
【答案】D
【解析】句意:-爸爸,我再给你拿一块蛋糕好吗?--谢谢,不必了,我已经饱了。A. may not也许不; B. must not 不可以,禁止; C. can't不会;表推测时“不可能”; D. needn't不必。根据I've had enough可知,已经饱了,没有必要再要蛋糕了。故选D。

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