在105号房间 是用in Room 105 还是in the Room of 105 为什么?

在105号房间 是用in Room 105 还是in the Room of 105 为什么? in the reading room为什么用reading In the most scared room of the temple这句话中的room为什么不用复数形式? room in room是什么歌 in the corner of the room the windows of room和the room's windows和the windows in room的区 in the computer room? In the meeting room ( ). （ )are in the room. ________there_________sofas in the room? the room in tower -----are in the room