--What are on show in the museum?----Photos ___(take) by American children.填什麽,为什麽?
问题描述：
--What are on show in the museum?----Photos ___(take) by American children.填什麽,为什麽?
是are taken吗?如不是为什麽,
答
正确答案：taken 过去分词做后置定语 What are on show in the museum?问的是what ,显然用名词回答,Photos taken by American children,孩子们拍的照片