问题描述：
被动语态可以省略be动词吗?
Experts from the Zoo felt obliged to investigate,for the descriptions given by people.
我觉得应该是descriptions are given by people,are可以省略吗?什么时候省略?
Experts from the Zoo felt obliged to investigate,for the descriptions given by people.
我觉得应该是descriptions are given by people,are可以省略吗?什么时候省略?
问题解答：
我来补答展开全文阅读