搜索
floor地板层thefirstfloorthesecondfloorthethirdfloorthefourthfloorthefifthfloorthegroundfloorInAmericaInBritainthefirstfloorthesecondfloorthethirdfloorthefourthfloorthefifthfloorIt’sonthe_______floor.Whereisthe_________?It’soverthere.classroomTheclassroomisonthe________floor.The_________isonthesecondfloor.Themusicroomisonthe______floor.firstlibrarythird