◎ 题干
Many people put down their own jobs and joined us      a missing child.
A.to searchB.in searchingC.in search ofD.to search of
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Many people put down their own jobs and joined usa missing child.A.to searchB.in searchingC.in search ofD.to search of…”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。