what did i do wrong 语法上怎么解释

Why,what did I do wrong,please tell me What I did was very wrong.(what I did)怎么理解? I don't know ____.A What did I do wrong B what was his name Was what I did so wrong? What is wrong?I want to know why you did not do as ____.told i don't know what i did wrong还是what wrong he did Why are you treating me like that?did I do something wrong怎么 What did i do yesterday It is wrong.What I do is wrong I can't think what I did wrong.翻译,急 i don't know what i did wrong i can't think what i did wrong