英语翻译it is already three years since he was a teacher是他不当教师已经

英语翻译it is already three years since he was a teacher是他不当教师已经 看两个英语句子.It is three years since he was a teacher.他不当老师有三年了.I 英语翻译It is five years since he became a soldier.他当兵已经五年了.It i It is three years since he smoked. It's three years since he was married .的翻译 It is three years since he worked there.如何翻译.为什么有一种翻译是：他不在那儿 英语翻译她离开班级已有三年。这好像是关于since的语法 例如：it was three years since he It _____ three years since he _____ the computer这台电脑他已经买三年了 It is three years since he became a worker 用现在完成时改写 It is three years since he joined the army.为什么是用joined而不是用ha 英语翻译还有这句 It'It's three years since I was a solder.It'It's th dong英语的进来1\It ___ten years since he ____here.A.is;left B.was