It was not until he was seven years old that he went to school

问题描述:

It was not until he was seven years old that he went to school
请问其中的 hewas可以省略吗,为什么?

可以省略,因为后面he went to...
一般情况都是主语一致,所以seven years old肯定主语是He
不影响意义理解可我省了,老师却算我错了,还给我加上了he was知道什么是对的就好,老师也是人,是人都会犯错。不省略的话,表达的确是最清楚明白的