It is required that every student---work---hard.为什么不用works,不

问题描述:

It is required that every student___work___hard.为什么不用works,不是every每一个么.
1个回答 分类:英语 2014-11-13

问题解答:

我来补答
it is required that .
从句中要求用虚拟语气(还有类似的如:it is demanded/ it is suggested..等等)
从句的虚拟语气是:should do,should 可以省略,所以就变成了动词原形了
 
 
展开全文阅读
剩余:2000