It has been 4years since I smoked.我戒烟四年了疑问：为什么不是：我吸烟四年了.如果要表达这意思应该怎么说?

It has been 4 years since I smoked.怎么翻译? It was 85 years还是 it has been 85 years? 翻译 It's five years since he smoked It has been 2 years since we worked here It's has been accepted The man has been dead for ten years(同义句） It”s ten years__the man__ lucy has been away from hei home for three years等于 it's three years ______lucy ___ __________ Lucy has been away from home for two years.（改同意句） It's two years since Lucy________. Lucy has been away from home for two years 句型转换 it's two years since Lucy（ ）（） It's 3 years since I saw him last time.中的it's 能否换成has been? 同义句替换John’s grandmother has been dead for 3 years.It's three years ____ John's grandmother _____. it's seems like years since it's been it's always been you(It has always been it has been可以缩写成it's been it's been.的全称是不是 it has been... It has been 4 years since I smoked.为什么翻译成 我戒烟4年了? coffee has been a part of people's lives for thousands of years,and it is still a favorite It's five years since Mike____to Tibet.A.came B.has been C.will come D.is coming Kate has been to Mexico for six years.It's years__Kate__to Mexico.改为同意句怎么填