◎ 题干
People can _____ running everywhere. Do you know what _____?
[     ]
A. see, has happened
B. see, happens
C. be seen, is happened
D. be seen, is happening
◎ 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“People can _____ running everywhere. Do you know what _____?[ ]A. see, has happened B. see, happens C. be seen, is happened D. be seen, is happening …”主要考查了你对  【被动语态】【现在进行时】  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。