◎ 题干
— What do you think of my suggestion?
— I'm sorry. Er… I ______ about something else.

[     ]

A. thought
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?—I'm sorry. Er… I ______ about something else. [ ]A. thought 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。