The roof fell__he had time to dash into the room to save his baby.A.before B.as C.after D.until为什么选A,其他选项为什么不行?

一道英语选择题：The roof fell__he had time to dash into the room to save his baby.The roof fell__he had time to dash into the room to save his baby.A afterB as C beforeD until并解释一下其他选项不选的原因. The roof fell__he had time to dash into the room to save his baby.A.before B.as C.after D.until为什么选A,其他选项为什么不行? roof over the world the roof over the world of roof . Tear The Roof Off 歌词 The roof began to give. Some passengers were walking through one of the big ha.Some passengers were walking through one of the big halls at Pairs'Charles De Gaulle Airport ____ the whole roof fell down.whilewhen,as soon as after repair the roof and 什么 the walls 英语翻译The roof,the roof,the roof is on fire The roof,the roof,the roof is on fire The roof,the roof,the roof is on fire We don't need no water let the motherfucker burn Burn motherfucker burn Hello my name is Jimmy Pop and I'm a dumb white guy the roof of a block of penny stocks go through the roof temper goes though roof in the short on the roof of the house可以直接用roof吗?有什么区别? 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, the roof of which和whose roof有何区别各举两例句,详细说明区别 The house ______ was destroyed in the terrible fire ,has been repaired.A.the roof of that B.which roof C.whose roofD.the roof 翻译：the roof over the world of man. a plane is flying above the ___of the city.(roof)