◎ 题干
The police were seeking more information to find out ______ the rich merchant.

[     ]

A. who was it that killed
B. who it was that killed
C. it was who killed
D. who was it killed
◎ 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“The police were seeking more information to find out ______ the rich merchant. [ ]A. who was it that killed B. who it was that killed C. it was who killed D.…”主要考查了你对  【宾语从句】【强调句】  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。