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She there yesterday, but we didn't see her. [ ] A.might have beenB.might be C.mu

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She there yesterday, but we didn't see her. [ ] A.might have beenB.might be C.mu

She ________ there yesterday, but we didn't see her.

[]

A.might have beenB.might beC.must have beenD.must be

试题答案

答案:A

解析:

导解:从后一分句可知此空是对过去某一动作不太肯定的判断推测.