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She have been to your house. She doesn't know your address. [ ] A.mustn'tB.shoul

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She have been to your house. She doesn't know your address. [ ] A.mustn'tB.shoul

She ____ have been to your house. She doesn't know your address.

[]

A.mustn'tB.shouldn'tC.might notD.can't

试题答案

答案:

解析:

can't have done表否定推测。