求解英语翻译：It's 2 years since he smoked.

求解英语翻译：It's 2 years since he smoked. 翻译 It's five years since he smoked It has been 2 years since It is five years since he smoked It is three years since he smoked. He smoked since 2 years ago .怎么翻译?等不等于It is 2 years since he is your grandpa still smoked?----no ,It's years s(since) he 英语翻译是不是翻译为：it is 3 years since he has smoked. he said it was 2 years since he had smoked?这句话对么? 英语翻译It's five years since he smoked.这句话的意思怎么是”他已经有五年没有吸烟了”?照 英语翻译It's two years since i smoked.常常让我不知道怎么翻译Thanks a lot. It three years since I smoked.翻译 It is ten years since he smoked or didn't smoke