◎ 题干
In the dark street ,  there wasn't a single person _____ she could turn for help.
[     ]
A. that       
B. who          
C. from whom      
D. to whom
◎ 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“In the dark street ,there wasn't a single person _____ she could turn for help. [ ]A. thatB. whoC. from whomD. to whom…”主要考查了你对  【关系代词】【介词和介词短语】【限制性定语从句】  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。