问题
选择题
I'm sorry I didn't hear what you said. I _____ the picture. [ ]
A. am looking at
C. has looked at
B. looked at
D. was looking at
答案
答案：D
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I'm sorry I didn't hear what you said. I _____ the picture. [ ]
A. am looking at
C. has looked at
B. looked at
D. was looking at
答案：D