who knows the_____(answer)to these questions

who knows the_____(answer)to these questions who knows who knows? Who knoWS? He knows a lot who speaks little. He knows a lot who speaks little. 把To be a woman who knows now to live! who knows中文歌词 who knows mv who knows most says 见微知著造句Who knows? 谁知道who knows这首歌的歌词?是艾薇儿的“who knows”. 歌词WHO KNOWS艾薇儿的 lonely or alone ,who knows Who knows what ACAD is? Who knows most says least Stranger who knows well that 是Who knows?还是Who know?为什么