You______return the book now. You can keep it till next week if you want to.

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问题 You______return the book now. You can keep it till next week if you want to.

选项 A、do not have to
B、haven’t
C、can’t
D、mustn’t

答案A

解析考查have to的否定形式。注意不能用mustn’t。

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公共英语二级笔试

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