It's ten years since we last met in Beijing?句型中is能否用has been来替换

如何将It's been ten years since they married变一般疑问句 It's ten years since they met last time用英语解释 it's years since i It's ten years since his grandpa died（改为同义句）His grandpa—— —— —— ——ten years ago It's over ten years since i saw you last time.改为同义句I 两个空 you for两个空 ten years It was ten years since I left my hometown.改错 It is ten years since he ____(join) the army It()ten years since they settled down here填空 It is ten years since his father died..同意句his grandpa ------- -------- ------- -------ten years ago It's ten years since we last met in Beijing?句型中is能否用has been来替换 It’s ten years _____ we met each other last time.A.before B.since C.after D.when It's ten years since the Littles started to work in China.（改为现在完成时） The Littles__ in China since ten years since ten years ago区别 it's seems like years since it's been Miss Wang have taught English for ten years(同意句转换）It ( )ten years since Miss Wang ( )English It is ten years since Miss Green returned to Canada为什么不用It has been ten years since Miss Green returned to Canada how long have you( its about ten years since we( ) a married,narriedb been married,were married c.got married,got married d.been married,got married it's been ten years 为什么不加for