____ six years since I began studying English.A.There are B.It was C.It is D.They have been

____ six years since I began studying English.A.There are B.It was C.It is D.They have been Six years has passed since he began to learn English.为什么Six years用has而不用have呢? It’s six years since we knew each other同义句 we （） （） each other for six years. 请问It is six years since I last met you 与 It has been six years since I last met you 有什么区别 when did you start skating?a,since i was five b since five years ago c when i was six d for six years选哪个,为什么? It ___ six years since I left school.空格填什么?It ___ six years since I left school.能填is,那has been 能不能填啊? My little brother is ____.A.a six-years old boy B.a six-year-old boy C.a six-years-old boyD.a six-year old boy they have been away for six years如何改为同义句 six years ____ _____since they leftthey have been away for six years如何改为同义句six years ____ _____since they left 2.We ____(begin) to learn English since 3 years. Mary ____ ____in China since three years ago .填什么 It is ten years since he ____(join) the army When did you start skating?A.Since two years ago.B.Since I was nine years old.C.For six hours.D.Five years ago. it was almost six years since I bagan to learn English.(改错)请说明原因 ‘It's been six years since we last saw each other’怎么翻译? it's been six years since we last saw each other是个什么从句? It's six years since we knew each other(改为同义句） It has been six years since I began to study English. 怎么翻译? How long has Miss lived in Fuzhou?Since six years ago.