◎ 题干
I'm sorry I didn't hear what you said. I   ___   the picture.
[     ]
A. was looking at    
B. looked at    
C. has looked at    
D. am looking at
◎ 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“I'm sorry I didn't hear what you said. I ___ the picture. [ ]A. was looking atB. looked atC. has looked atD. am looking at…”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。