My husband became a teacher 15 years ago.(用since或for改写） 怎么写啊

John joined the army three years ago.(用since或for改写） 怎么写. My aunt has been a teacher ____ten years ago.A.for B.since C three years ago ,my husband bought a bike for me My mother ______as a teacher for 14 years ago(work) 改为近义句lily became a teacher three years ago. It is three years since he became a worker 用现在完成时改写 改写句子1.原句 Miss Lee became our English teacher four years ago. Marry was a teacher three years ago.对three years ago 提问怎么写 Mrs Wang( )alone since her husband died 5 years ago.A,was,B, he worked here three years ago用since three years ago改写句子 __ three years ago.A,since B,for C,about 不变原意改写句子?1.he became a doctor 5 years ago.(1) he ____ _____a