He ______ to your home, for he doesn’t know your address.

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问题 He ______ to your home, for he doesn’t know your address.

选项 A、can’t have been
B、mustn’t have been
C、shouldn’t have been
D、needn’t have been

答案A

解析 can’t have done表对过去事情的推测，“不可能做过某事”。

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