You _____ her in her office last Friday, she’s been out of town for two weeksA.needn’t have seenB.must have seenC.might have seenD.can’t have seen
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D解析试题分析：考查情态动词的完成式：整句意思：你上周五不可能在她办公室看到她了，她出城已经有两个星期了。 Can’t have done过去不可能做了，needn’t have done过去本不必做而做了，must have done过去一定做了，might have done过去可能做了，选D。考点：考查情态动词的完成式