— When did the bell ring for the fire alarm? — At 9 a.m. this morning, when we _________ morning exercises in the play

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1. (2020八上·玄武期末) — When did the bell ring for the fire alarm?
— At 9 a.m. this morning, when we _________ morning exercises in the playground.

A . do B . are doing C . did D . were doing

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使用过本题的试卷

江苏省南京市玄武区2019-2020学年八年级上学期英语期末考试试卷