——I phoned you at six o'clock last night.But,no one answered.——I ____walk at that time.A:was doing B:did

分类: 作业答案 • 2022-05-17 10:01:25

问题描述：

——I phoned you at six o'clock last night.But,no one answered.——I ____walk at that time.
A:was doing B:did

答