教师资格证和教师编制资讯资料分享网
过去进行时
表示过去某个时间点或某段时间内正在发生的动作。
The boy was doing his homework when his father came back from work.
He was taking a walk leisurely by the lake when he heard someone shouted for help.
What were you doing at nine last night?
The radio was being repaired when you called me.更多真题及资料请加小编微信65210638领取
