the committee（）among themselves for four years为什么标准答案是have b

I HAVE BEEN PLAYED THE FLUTE FOR FOUR YEARS A family of four in the Us have put themselves up for sale.T 英语翻译The committee____over the problem among themselves for t I have lived in Beijing for four years.同义句子I have lived in B I___the bike for over four years,A.have bought B.have buy C. I _____ the flat since four years ago A.have live B.have had I have been studying here for four years; by the end of next I have been studying English for four years.就for four years提 They ( ) the children for four years.A.watched B.saw C.looke They have study English for four years.有什么错 they talked about the problem among themselves,此处为什么不可以用amon 将英文译成中文,The Yanton Playingfield Committee has for many years