One year has passed ____the earthquake happened.A.since B.wh

One year has passed ____the earthquake happened.A.since B.wh one year has passed since we last met. three centuries has passed since that accident happened.为什么用 he has kept a car since one year ago（对since one year ago 提问） the year that has passed since the downfall of apocalypse! one and a half years (have/has) passed since we last meet. 1.Once year(has passed)since we last met.为什么不用have passed? his father ____the party since 1978 A.joined B,has joined C. Sally has become a computer programmer since one year ago.错在 What____at the charity show last year?A has happened B was h This is the best film has been shown this year. A. who B. wh She _____ as a nurse ____ a year A.works;since B.has worked;