问题
选择题
—What did the teacher say just now?
—Sorry. I didn't catch it. I _____ something else. [ ]
A. think
B. will think
C. was thinking
D. had thought
答案
答案：C
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—What did the teacher say just now?
—Sorry. I didn't catch it. I _____ something else. [ ]
A. think
B. will think
C. was thinking
D. had thought
答案：C