paul has been away form canada since two day ago ____ two da

paul has been away form canada since two day ago ____ two da Paul left Canada two days ago.(改为同义句）Paul___Canada since two Paul left Canada two days ago.改为同义句. since,they,been,from,ago,two,here,away,have连词成句 they have been away from here since two years ago同义句 ___ ___ since two day ago和two day ago还是for two day相同?怎么区分 it has been two day since we left our hometown为什么用has been Tina has been married the girl since two years ago改错 My mother has been ill since two days ago的同义句 Lin Tao has been a teacher ()答案是since two years ago 为什么不能是si The picture has been here.It was here two years ago.用since该写 Jack has been collecting coins since two year ago.（用how long