The roof of his house is made of ____(discard)tiles.此题答案为何为discarded?

he carried the bed on to the roof of his houseof his house roof over the world the roof over the world of the roof of a block of The roof of his house is made of ____(discard)tiles.此题答案为何为discarded? he carried the bed on to the roof of his house.这里的on to可以点到吗 on the roof of the house可以直接用roof吗?有什么区别? The roof of her house is made of discarded tiles. the roof of which和whose roof有何区别各举两例句,详细说明区别 翻译：the roof over the world of man. the plane is flying above the___ (roof) of the city the roof of the house is made from-----(discard) tiles. 新概念2第49课的句子.He carried the bed on to the roof of his house.这里的on怎么解释啊 在He carried the bed on to the roof of his house.中on是“从一个平面到另一个平面强调向上那向下向左等怎么说 The house,_____ was destroyed in the terrible fire,has been repaired.A which roof B the roof ofB the roof of which C its roof D the roof翻译+每个选项解释+语法, on the roof of a block of flats 可以改成on the roof of a flats' block吗 Because the weather was very hot ,he carried the bed on to the roof of his horse.介词为什麼用两个Because the weather was very hot ,he carried the bed on to the roof of his horse.用一个on或一个to就行了,为什麼既用on也用to? The house ______ was destroyed in the terrible fire ,has been repaired.A.the roof of that B.which roof C.whose roofD.the roof The house,_was destroyed in the terrible fire,has been repaired.A:the roof of whichB:which roof请问