◎ 题干
The police_________the thief at this time the day before yesterday.    
[     ]
A. were catching
B. are catching
C. was catching  
D. is catching
◎ 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 thief at this time the day before yesterday.[ ]A. were catching B. are catching C. was catchingD. is catching…”主要考查了你对  【过去进行时】【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。