英语翻译They are on the fourth floor of Classroom Building 2.(In

mary lives on the fourth floor in the building,改错 （ ）are on the fourth floor in the department floor his office is on the 8th floor in the classroom building. like,on,the,ninth,the,Greens,floor,of,the,building live,on,the,ninth,the,Greens,floor,of,the,building There some pieces of ( )on the floor,in the classroom ."Can 英语翻译I live on the twelfth floor of a building.One afternoon 英语翻译I live on the twelfth floor of a building. One afternoon My friend lives on the fifh floor of the building live on the first floor of（a）tall building on the right of the classroom building is the dining 英语翻译Suppose you live in the 6th floor of a building,under yo