◎ 题干
— What do you think of my suggestion?
— Sorry. What's that? I _____ about something else.

A. think
B. am thinking
C. was thinking
D. had thought
◎ 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“— What do you think of my suggestion?— Sorry. What's that? I _____about something else. [ ]A. think B. am thinking C. was thinking D. had thought …”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。