he has finished (do)his work already.应该填什么形式..详细点..谢谢了.thanks a lot!

分类: 作业答案 • 2021-12-19 11:15:38

问题描述：

he has finished (do)his work already.应该填什么形式..
详细点..谢谢了.thanks a lot!

答

doing
finish doing sth.

答

finish doing sth 做完某事