They.here for three years before they moved.A.live B.have lived.C.had lived.D.have been living请帮我选正确答案以及原因

They.here for three years before they moved.A.live B.have lived.C.had lived.D.have been living请帮我选正确答案以及原因 We arrived here three days ago.So we ____(be) here for three days.填什么? 对括号内内容提问They have been here since （this morning）They have been there （for three hours）He went （to the cinema） last weekJohn’s birthday party lasted （about three hours） Here’s three pairs of shoes for her .那错? 纠错 ---How soon have you lived here? ----For three years. 给I have come here for three days改错 I have been here for three months.同义句 i have been here for three months同义句 I've been here for three months的同义句 I lived here for three years和I have lived here for three years前者是对的,可是为什么? 将下列句子改为同义句1.Why do you send her flowers?___ do you send her flower _____?2.They came here three days ago and lived here since them.They ____ already _____ here for three days.3.Jim bought an MP4 yesterday.Jim ____ ____ an MP4.4.Re I have been here for three years.=It is three years ______I____here they lived in london for about three years 对for about three years 提问 1.She ( ) lived here for three years. 2.They can't spend that money, because it is not( ).1.A.have been B. didn't C.has been D.has2.A.theirs B.their C.they D.them Mr Wang has taught _(they) English for three years They have been here for two days.(改为同义句)They _____ here two days _____. We came here __.A.for three years B.about three years C.for about three years D.three years ago They have been there for three days.与they have gone there for three days.哪个是对的?为什么