◎ 题干
She was looking for her three nephews, but they were nowhere _____, which made her worried.

[     ]

A. to be found
B. found
C. seen
D. to see
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“She was looking for her three nephews, but they were nowhere _____, which made her worried. [ ]A. to be found B. found C. seen D. to see …”主要考查了你对  【不定式的被动式】  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。