问题描述：
put the verb into the past continuous or past simple
例句题目：What < > {you /do} when the phone < > { ring }
例句答案： were you doing rang
求答案啊!
题目：How fast < > {you/drive} when the police < > {stop} you.
例句题目：What < > {you /do} when the phone < > { ring }
例句答案： were you doing rang
求答案啊!
题目：How fast < > {you/drive} when the police < > {stop} you.
问题解答：
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