It _____ five years since I came to this city.A.was B.is C.will b_英语解答

It _____ five years since I came to this city.
A.was B.is C.will be D.had been
正确答案为is,为什么是is .has又行不行呢

人气：320 ℃　时间：2019-11-11 23:53:47

解答

该句的意思是从我来这个城市到现在已经五年了.如果用has必须用has been
这是过去到当下时间段的描述适合用is 过去时态、将来时和过去完成时都不对