we live on the third floor,为什么不用live in

we live on the third floor,为什么不用live in they live on the third floor I live on the third floor.on the third floor是什么成分?是地点状语还是宾语? 1.I live on the third fioor.()your parents () on the same floor? We live on the _____(4) floor. We live on the outside--怎么填 we live on the same street是什么意思 on the third 翻译 Where d____ your friend live?He lives on the third floor. I live on floor with my mother.(thied three the third ）怎么选择 Mr.Green live on (the third )floor.( )内提问（）内怎么提问 We live on the land all by___.(we) The world ___is made up of matterA.where we live in B.on which we live C.we live in We can't live on the earth _______ animals We live ( )the world.A.on B.under C.in why we need to live on the moon? They live on the second floor,and we live on the first floor.We live____them.(A).below(B).under We have a new flat,it's on the third floor.的中文意思是什么?