__ three years ago.A,since B,for C,about
__ three years ago.A,since B,for C,about
We came here __.A.for three years B.about three years C.for
They have been in this city _ three years ago.(A.for B.about
My aunt has been a teacher ____ten years ago.A.for B.since C
I have studied here ( )many years ago. A. since B. for C, be
We ______ here since five years ago.A.lived B.live C.have li
when did she ( ) the USA?Three years ago.a.tour b travel c.g
Three years has passed___we left school.A.after B.since C.as
Has he been a docture for three years ago?
three years ago ,my husband bought a bike for me
A long time ago,I _______ in for three years.
John joined the army three years ago.(用since或for改写) 怎么写.