问题描述：
英语what did the teacher say just now
．-----what did the teacher say just now?
-----sorry．i didn’t catch it．i ___________ something else．
a．think about b．will think about
c．was thinking about d．thought about
．-----what did the teacher say just now?
-----sorry．i didn’t catch it．i ___________ something else．
a．think about b．will think about
c．was thinking about d．thought about
问题解答：
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