since的问题------ four years since John left school.请解释一下前面为什么用
It ___ 6 years since we left middle school.
It _(be) two years since he left school.
Three years ___(pass)since I left school.
it has been three years since i left school(be away for)用括号内
it is four years since I joined the army.这里的is,为什么不用was呢?
It's two years since he left his hometown.since 为什么不能换成after
he has left since three years ago可以用吗
1、It____ten years since he left Shanghai.
It __ten years since he left Shanghai.
It ___ six years since I left school.空格填什么?
Three years has passed___we left school.A.after B.since C.as
初二英语、练习选择It is ten years since Jim left school .ow he has __