问题
选择题
— 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
答案
答案：C
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— 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：C