◎ 题干
____ by a crowd of people, I felt nervous, ____ what to say.

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A. Watching; didn't know
B. Having watched; and not knew
C. Having been watched; not known
D. Being watched; not knowing
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“____ by a crowd of people, I felt nervous, ____ what to say. [ ]A. Watching; didn't know B. Having watched; and not knew C. Having been watched; not know…”主要考查了你对  【现在分词的被动式】  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。