英语：What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have.-What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have been taken B.were taken C.are taken D.taken 为什么选D,不选C呢

有关被动语态的英语题,请写出解析?-What are on show in the museum?-What are on show in the museum?-Some photos _____ (take) by American children. you are what you show 1道英语单选.-What are on show in the museum? -Some photos _ by the children of Yushu,Qinghai. ...1道英语单选.-What are on show in the museum? -Some photos _ by the children of Yushu,Qinghai. A.have been taken B.were taken C.are taken D.t What are on show in the museum?some photos ____by the children 用taken 的原因 英语：What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have.-What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have been taken B.were taken C.are taken D.taken 为什么选D,不选C呢 英语选择-What are on show in the museum?-Some photos__by the children of Yushu,Qinghai.见下A have been takenB were takenC are takenD taken请详细解答 英语小论文：what are the most important competencies for a teacher?please show your opinion. they are putting on a show -What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have been taken what are you doing?I am watching a( )show on TV.A.live B.alive C.living D.lively What are you going?I'm watching TV programs.there is a wonderful match---to show 还是to be on what's on show?some photos _______ by a chid.A TAKEN B WERE TAKEN C ARE TAKEN what's on show?some photos _______ by a chid.A TAKEN B WERE TAKEN C ARE TAKEN What are you on? what are yuo on the students’ works ( ) in the library A on show B are on show C show D on display What are on show in the museum?some photos_____by the children of Yushu ,Qinghai.A,have been takenB,were takenC,are takenD,taken A:What are on show in the museum?B:Some photos__by African children.A.are takenB.were taken C.takenD.have been taken并写出理由