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She be working now, for the office is dark and locked. [ ] A.mustB.mustn’t C.can

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She be working now, for the office is dark and locked. [ ] A.mustB.mustn’t C.can

She ________ be working now, for the office is dark and locked.

[]

A.mustB.mustn’tC.can’tD.may

试题答案

答案:C