lily and mary live in the same building but on different____(floor) 怎么填啊 求教各位大侠
问题描述：
lily and mary live in the same building but on different____(floor) 怎么填啊 求教各位大侠
答
floor楼层我填floor怎么算我错了呢，不加s吗噢，对了，应该是floors，因为两人有各自的楼层，就是两个楼层了，是复数的