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She knows a lot about the film. She must have seen it before, ______ ?must she B. mustn’t she C. has

题目简介

She knows a lot about the film. She must have seen it before, ______ ?must she B. mustn’t she C. has

题目详情

She knows a lot about the film. She must have seen it before, ______ ?
must she B. mustn’t she C. has she D. hasn’t she

题型：单选题难度：偏易来源：不详

答案

D

考查反义疑问句.对已发生的过去情况的推测，若陈述句谓语部分有“must have done”，而且有表示过去的时间状语，问句部分用didn’t；若没有表示过去的时间状语，问句部分用haven’t或hasn’t,she为第三人称单数,故选D.

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