◎ 题干
The police ____ the murderer everywhere when he suddenly appeared in a theatre.
[     ]
A. is searching for
B. were searching for
C. are searching for
D. was searching for
◎ 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“The police ____ the murderer everywhere when he suddenly appeared in a theatre.[ ]A. is searching forB. were searching for C. are searching for D. was searc…”主要考查了你对  【一般过去时】【主谓一致】  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。