Why did you know?Why this world will not perish?

Why did you know?Why this world will not perish? why did you miss Why did you leave why did not you do you know _______(why did she go home) JUST YOU KNOW WHY~ “You know why I dont know why do you do it.正确吗I dont know why you did it. why did you tdlk like Why did you leave me why did you say goodbye why did you let it why did you do it Why did you do it? just you know why什么歌 Do You Know Why 歌词 why did you have to go ,you could let me know是什么歌 why did you say that ,it seems that you know me well