◎ 题干
Did you know _____ at the bus stop? Maybe their teacher.

[     ]

A. who are they waiting for
B. whom they are waiting for
C. whom they were waiting fot
◎ 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“Did you know _____ at the bus stop? Maybe their teacher. [ ]A. who are they waiting for B. whom they are waiting for C. whom they were waiting fot …”主要考查了你对  【宾语从句】  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。