被动语态,不用bychange these sentences into passive voice.but DON'T use by.1.People must return library books within three weeks.

分类: 作业答案 • 2022-07-22 00:24:31

问题描述：

被动语态,不用by
change these sentences into passive voice.but DON'T use by.
1.People must return library books within three weeks.

答