如题所述
如果是单独问应该是what did I do wrong ?或what had I done wrong?如果前面加我不知道我到底做错什么,就是I do not know what I did wrong 或I do not know what I have done wrong?。对不起第一次回答时脑里面习惯性代入了我不知道在前面,所以回答时语序错了。