We do not know ___ it next.Let is go and ask Mr.Li A.what to do B.to do what C.whether to do.到底是A还是C- - 别忽悠~

When shall we meet?I do not know(合为一句) I do not know ___ ___ meet I do not know how it ___.（使用） I do not know I do not know I do not know that we have no I do not do very ___ in Maths.I want to do better but do not know how. I do not know when we shall leave for Nanjing.I do not know _____ _____ leave for Nanjing. I do not know how I can answer this question. I do not know___ ___ ____this question. 请问 I DO NOT KNOW sorry,i do not know! Why I do not know I ___(not sleep) well if I know there's work to do i do not know what to do next 改成复合句i do not know what ___ ___next错了，是变成简单句,只有两个空 Very simple,we do not know,why do I speak to you so much ah. We call identical twins ___.填clone.还是 cloned.He did not know ___(exact) what to do about it. i just feel we are strange than before,i do not know what to say I do not know how to do We are what le?Why I will become like this,do not know who is wrong!