try to not to write with chat phrases it may became a habit.
I think this sentences must be this way " what would you do to one who did something wrong with you?"
Exactly, I agree with him or her
We must accept our mistakes and errors and try to don't repeat them because they make bad habiits!
Nothing Spcial. It is not intresting for me
what whould you do if you were our president(Ahmadinejad)