非谓语动词,They found the lecture hard _______A.to be understood B.to understand C.being understood D.understood不是被“理解”吗?

分类: 作业答案 • 2022-06-23 15:08:24

问题描述：

非谓语动词,
They found the lecture hard _______
A.to be understood B.to understand C.being understood D.understood
不是被“理解”吗?

答