It ---------five years since he left for beijing
It has been five years since he has left for beijing这句话对不对啊
It --- five years since he left for Beijing. A.was B.had bee
It ____ five years since he has left for Beijing.A.was B.has
It ___ five years since he left for Beijing.A.was B.had been
It______five years since he has left for Beijing.
It -------- five years since he left his motherland.
It____five years since he left for Beijing.Awas Bhad been Ci
It_____five years since he has left for Beijing.A was B has
It is five years since he smoked
It __ten years since he left Shanghai.
翻译 It's five years since he smoked It has been 2 years since
It's five years since he ___ (come) here