it is about doing

it is about doing I am doing my homework .What is it about? what is it doing? 可以是 what is it about?吗 what is it doing what is it doing how is it doing it is said about what is it about It is a bore .doing there be后面能不能加doing的 there is no guessing about it guessing 是什么词啊 question is whether it is worth doing. （ ）is it?it is about ten. what is it about men really?what is it about. It is not about you If a thing is worth doing it isworth doing well how are you doing和HOW IS IT GOING的区别-Haven't seen you for days.____B_____-I'm fine.what about you recently?A How is it going B How are you doing 句型there is no point in doing sth.为什么在造句时有如下用法there is no point getting upset about it.为什么这里没有in?