一道动词填空题
问题描述：
一道动词填空题
It_____(be) ten years since he_____(come) here.
应该用完成时还是过去完成时?
答
it has been ten years since he came here.他到这里已经十年了.it has been ten years 已经过了十年常常会听到人家见面第一句话说"it's been a long time" = "好久不见"it has been.过去完成时,表示"已经" 过了多长...