______aroundthelab,thevisitorsweretakentotheplayground.A.HavingshownB.Ha

发布时间:2020-08-07 04:53:22

______ around the lab, the visitors were taken to the playground.A.Having shownB.Having been shownC.Being shownD.To be shown

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B解析句意:参观完实验室之后,参观者们被带到了运动场。本题考查分词作状语,其逻辑主语the visitors与show around构成被动关系,并且分词的动作发生在句子谓语were taken之前,因此应用现在分词的完成被动式.故选B。
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