六级完型we do know,however,that for thousands of years,food was awalys eaten cold and raw .为什么用for而不用about?

Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know We don't know what to do. As We Do,As You Know! We don"t know what we should do next How do we know that we have problems We know more than we actually do的中文意思 why do you add me we do not know us Do you know what we shall do改写同义句 Do you know what______ _______- we don't know _____?A:what do we do B:what to do C:what do we to do D:what to do we do We do not know when we shall give a fashion show.同义句we do not know()()()()()() What we know is nothing; what we do not know is immense中文是什么意思? What we know is not much.What we do not know is immense. 同义句转换：Do you know when we should start?Do you know when ( ) ( ) 改错we really don't know what will do next Do you know jack shit?We got jack shit. do you know who are you?some time we lost. What do we know form the passage 翻译 Do you know why we have Father is day