Do you know what to do then?what should i do或者what will i do为何不行

what do you want to know Do you know what happend to him? do you know what to say what do you know Do you know what Do you know what? do you know what happened to them还是do you know what they happened为什么？ know,what,do,to,you,do连词成句 是learn to know what do you like.还是 learn to know what you like? Do you even know what you mean to me? Do you know what _____(happen) to them? do you know what to ____?（write,write about) Do you want to know what food l like?OK! Do you want to know what fruits l like?OK! I need to know what do you want for all? do know what to you want 连词成句 what,you,do,know,want,to,怎么连句子 What do you have to know for it怎么翻译