I DO not know ( ) it today A What to do B how to do C to do what

I do not know I do not know I do not know how it ___.（使用） I ______(not tell)about it,so I do not know about it. just it or not.i know what i want.silly girl,do you know my hurt. 请问 I DO NOT KNOW sorry,i do not know! Why I do not know I do not know how I can do it同一句能改为I do not know what I can do.. I do not know how I should do it 的同义句是什么? I do not know how I should do it next.(改为简单句） i do not know anything about it.改同义句i do not know anything about it.改同义句 i（）（）about it. Know?I would like you just do not know when you have learned to understand it I do not know how to do It's not suddenly ,it's always .Maby i know why ,but i really don't know how to do I know the elephant (do not) eat meat,but (do) it eat bamboo? I do not know about.(同义句) I have 两个I do not know about.(同义句) I have 两个空格 about it. Tom does not know this as I dao .But I will not do it ,It would be wrong ,and I will not do what is wrong