on the work和at work区别there后面必须加are吗可以加is吗

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/27 20:30:13
onthework和atwork区别there后面必须加are吗可以加is吗onthework和atwork区别there后面必须加are吗可以加is吗onthework和atwork区别there后

on the work和at work区别there后面必须加are吗可以加is吗
on the work和at work区别
there后面必须加are吗可以加is吗

on the work和at work区别there后面必须加are吗可以加is吗
work on -- 加工,处理,从事,研究
on the work 对作业
there is 用于单数,there are 用于复数.
There is a book on the table.
There are three books on the table.