It _____(be)more than three years since jim___(leave)here怎么填
问题描述：
It _____(be)more than three years since jim___(leave)here怎么填
答
has been
left
答
has been left
答
It has been more than three years since jim left here.
答
I has been more than three years since Jim left here
答
It is(be)more than three years since jim left(leave)here
It is some time(一段时间) + since引导的时间状语从句(从句一般过去式）
答
had been left