◎ 题干
His son, _____ he had been devoted, was living abroad.

A. to whom
B. with whom
C. of whom
D. on 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“His son, _____he had been devoted, was living abroad. [ ]A. to whom B. with whom C. of whomD. on whom …”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。