They don’t know the answer__________this question.

They don’t know the answer__________this question. I don't know the......the question I don't know the answer to the question. 1.-I don't know the answer to this question ( ) I don't know the answer ____the question. I don't know how they deal with the problem=I don't know （ ） They Don't Know 歌词 They don't know what--- they don`t really know I don’t know _______ they have passed the exam. But they don't know the_____________to the park. I don’t know the answer _____ the question.I’ll ask Mr.Hu fo