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        1. 【題目】Judging from what he said, he must have witnessed the incident last week, ______?

          A.hasn't heB.didn't heC.mustn't heD.wasn't he

          【答案】B

          【解析】

          考查反意疑問句。句意:從他所說的來看,他一定是目擊了上周的那件事,是嗎?根據(jù)前面的時(shí)間狀語last week,must have done 表示對(duì)過去事實(shí)肯定的推測(cè)?芍,此處是對(duì)過去的反問,陳述部分是肯定,疑問部分用否定。故選B。

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