◎ 题干
I called the public service center and they sent someone to help _____, _____ surprised me very much.
A. at no time, that
B. in no time, that
C. at no time, which
D. in no time, which
◎ 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“I called the public service center and they sent someone to help _____, _____ surprised me very much. [ ]A. at no time, that B. in no time, that C. at no tim…”主要考查了你对  【关系代词】【介词和介词短语】【非限制性定语从句】  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。