As it did case of Alex who worked as a dustman fo

分类: 作业答案 • 2022-01-09 23:03:15

问题描述：

As it did case of Alex who worked as a dustman fo
r the E corporation .work 过去式是因为过去时态的原因么?新概念3 第四课

答

因为前面是过去式