The worker didn't know_to make the machine run again.A.how to do B.what to du C.to do what

分类: 作业答案 • 2021-11-12 23:25:40

问题描述：

The worker didn't know_to make the machine run again.A.how to do B.what to du C.to do what
D.to du how
请明确说明为什么！

答

B.what to do