◎ 题干
While _____ in the room, we were all very excited.

A. waited
B. waiting
C. to wait
D. wait
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“While _____ in the room, we were all very excited. [ ]A. waitedB. waiting C. to wait D. wait …”主要考查了你对  【动名词】  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。