21.______ the cry for help,the people immediately rushed out of the rooms.A.To hear B.Hearing C.Heard D.They hearing应该选什么?

分类: 作业答案 • 2021-12-19 10:49:24

问题描述：

21.______ the cry for help,the people immediately rushed out of the rooms.
A.To hear B.Hearing C.Heard D.They hearing
应该选什么?

答