急求一首歌,其中有一句：why do you say byebye'

急求一首歌,其中有一句：why do you say byebye' why not do it why do people lie? why do you drink Why do not want why do i fa11love why do i sigh why not do句子 why do you ask why do you give 英语里的why疑问句两种说法 1.why is he not a white man?2.why isn't he a white man?是两种说法都对并且表达同样的意思呢?还是只有其中一种说法是语法正确的?同样地,1.why do you not do that?2.why don't you do tha why not do还是why not to do Why not do 和 Why don't do 什么区别 Why do you do not understand why My heart ache why not do同义句是啥?why not do同义句 why do people have pets? why do you learn English Why do you like it?