The photos taken on the Great Wall look very nice为什么在这里要用taken

The photos taken on the Great Wall look very nice为什么在这里要用taken They look happily at the photos taken on the beach.用happy还是happily? What are on show in the museum?some photos ____by the children 用taken 的原因 被动变主动：These photos were taken on the Great Wall.（my sister 作主语） -What are on show in the museum?-Some photos _ by the children of Yushu,Qinghai.A.have been taken The photos ------------------------- were taken by SmithA.on the show B.on the displayC.on a show D.on display为什么选B不选A? What's on show in the museum?Some photos (taken) by the well-know photograher.括号为啥这样填?为啥不能填 are taken 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为什么不选a 选择下题答案并对其他选项不能选的原因.--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 不懂,求理由.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 希望你们可以把ABC错的原因告诉我. 1.They have taken lots of photos on the hill.(对1.They have taken lots of photos on the hill.(对划线部分提问) 划线部分是:taken lots of photos ____ ____ they____ on the hill.2.翻译:汤姆去年参观了游乐场.(用过去完成时) some photos taken by the children of Yushu Qinghai 为什么用taken 而不是were taken What are on show in the museum?-Some photos _____by the children of Yushu,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 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 in the photos 还是on? Some photos are on the( ) The photos are mainly taken by the students.对吗? what are on show in the museum?====Some photos【 】by African children.A.are taken.B.were takenwhat are on show in the museum?====Some photos【 】by African children.A.are taken.B.were taken.C.taken