It is pointless to ask me about it because I know nothing14/15It is pointless to ask me about it because I know nothing.It's no use asking me about it because I know nothing.It's no use to ask me about it because I know nothing.It's not use asking me about it because I know nothing.It's not use to ask me about it because I know nothing.Giải thíchĐáp án A It is no use Ving = There is no point in Ving: Có làm gì thì cũng vô ích