on ones knees 为什么用on急

on ones knees 为什么用on急 on your knees 歌词 on ones Then he went down on the ground on his hands and knees 在his hands前为什么要用on? Down On My Knees 歌词 put me on my knees “study on ones egg on ones face walk on ones I mean you’re not the only ones on your honeymoon 这里的ones是什么意思 为什么这么用 get down on his knees为什么是用on 不能用with , 翻译on sb hands and knees on knees beg your replys是什么意思 on her hands and knees是什么意思 sheep feeding on this kind of grass grow faster than ones on common grass.为什么用feeding而不用fed? The ones on the shelf.为什么没有谓语? on ones way home 中间为什么不加介词to the ones on the table 为什么没有系动词