I heard him ____ (sing) when I passed his room填什么、、、、老师说应该填singing、、我觉得应该填was singing呢

分类: 作业答案 • 2022-08-10 17:04:00

问题描述：

I heard him ____ (sing) when I passed his room填什么、、、、
老师说应该填singing、、我觉得应该填was singing呢

答