问题
选择题
—What were you doing at this time yesterday?
—We _______ in the classroom.
A. read B. were reading C. was reading
答案
答案：B
题目分析：根据问句昨天这个时候你正在做什么？可知回答要用过去进行时态：was doing ,主语是第一人称复数，故选B
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