it is 2 years since i lived in LA这句话是说我住在洛杉矶已经有2年了还是我不住洛杉矶已经有2年了呢

It is five years since he smoked He smoked since 2 years ago .怎么翻译?等不等于It is 2 years since he smoked. it is ...since ..为什么不用完成时it is 100 years since Qinghua university was found. 英语翻译it is 2 years since I bought the book.要求since翻译出来呀.Thank you It is years since we meet last time.（纠错） It is three years since she was in the It is ten years since he ____(join) the army it is 3 years since Tom has been abroad It is forty years since he home 改为间单句 it is years since i saw him（追加）it is years since i saw him为什么不说it is years since i has seen him而it was years since i had seen him 却可以 it is two years since I came here还是it has been two years since I came here 求It is three years since he worked in his office.解释下since It ---------five years since he left for beijing1Was 2have been 3is 4 is going to be it's years since i It is ten years since his father died..同意句his grandpa ------- -------- ------- -------ten years ago It is five years since we began learning English既然有since为什么要用it is? 英语翻译It is 3 years since they got marriedIt is 3 years since they married求翻译.为什么都是since可意思完全不一样诶 求解英语翻译：It's 2 years since he smoked.