in the second floor 与 on the second floor有什么区别?

in the second floor 与 on the second floor有什么区别? Take the lift（）the second floor,in还是to The second floor in America is the _______ floor in England. at the second floor 还是on the second floor in the second floor与on the second floor的区别,谢谢T-T：The computer room is______the second floor.C）A.in B.at C.on D.by the music room is( )the second floor where is the gym? it's in the second floor. 这句话拿错了 The reading room is in the second floor .哪里错了? The reading room is in the second floor错在哪里? Take the lift（）the second floor用in还是to? There are ten new computer.改错Where is the gym?It' in the second floor.改错 It's on the second floor. the second floor 的中文意思是 对on the second floor 提问 on the second floor用什么提问 A cinema is on the second floor Were you on the second floor? Uncle Wang lives the second floor.