what's thing make you so happy?how do you know this?为什么一个要DO

what's thing make you so happy?how do you know this?为什么一个要DO what’s this( )English?Do you know? What do you think ( )you so happy? Do you know ,what's - what do you thing What thing do you Do you know what was the most hurted thing To make friend wi Do you know how much this costs?其中为什么cost要加s?不是疑问句都要用原型吗? 英语翻译You want to know how to prove Your heart?Do thing what Y 用you,this,do,what,is,know..组成一个句子 "Do you know what the best thing is"与"Do you know what is th Do you know what`s the matter with him?为什么不能写成Do you know wh