Everyone should keep the environment(cleaning)?为什么不用clean?

来源：学生作业帮助网编辑：六六作业网时间：2024/12/27 06:12:29

Everyoneshouldkeeptheenvironment(cleaning)?为什么不用clean?Everyoneshouldkeeptheenvironment(cleaning)?为什么

Everyone should keep the environment(cleaning)?为什么不用clean?
Everyone should keep the environment(cleaning)?为什么不用clean?

Everyone should keep the environment(cleaning)?为什么不用clean?
keep + doing sth .
固定用法

keep 后加名词或DOING