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YouherinherofficelastFriday,she’sbeenoutoftownfortwoweeks.A.needn’thaveseenB.musthaveseenC.mighthaveseenD.can’thaveseen

题目详情
You _____ her in her office last Friday, she’s been out of town for two weeks.
A.needn’t have seen B.must have seen
C.might have seen D.can’t have seen
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答案和解析
D