◎ 题干
The policeman ______ the building ______ a thief at the moment.

A.searching; for
B.searches; for
C.search; for
D.is searching; 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“The policeman ______ the building ______ a thief at the moment. [ ]A.searching; for B.searches; for C.search; for D.is searching; for …”主要考查了你对  【系动词】【现在进行时】  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。