◎ 题干
Look! The foreign guests _____ around the factory by Mr Zhang.

A. is showing
B. are being shown
C. are being showing
D. have been shown
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Look! The foreign guests _____ around the factory by Mr Zhang. [ ]A. is showing B. are being shown C. are being showing D. have been shown …”主要考查了你对  【现在进行时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。