◎ 题干
- Sam, I called you yesterday evening, but no one answered.    
- Oh, sorry. I _______ a shower at that time.  
[     ]
A. took              
B. am taking          
C. take              
D. was taking
◎ 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“- Sam, I called you yesterday evening, but no one answered.- Oh, sorry. I _______ a shower at that time. [ ]A. took B. am taking C. take D. was taking…”主要考查了你对  【过去进行时】  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。