填空题 The room, which window faces the south, is the nicest one of all on this floor.
【正确答案】
【答案解析】which应改为whose。[解析] 句意：窗户朝南的房间是这一层楼中最好的。此处指代room的关系词和window是所属关系，做window的定语，所以只能用whose。