◎ 题干
Her husband joined her _____ her search _____ this unknown radiation.
[     ]
A. in; in
B. in; for
C. in; of
D. for; for
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Her husband joined her_____ her search _____ this unknown radiation. [ ]A. in; in B. in; forC. in; of D. for; for …”主要考查了你对  【介词和介词短语】  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。