Замените прямые вопросы косвенными. he asked her"where are you from? " they asked their coach"have you been to the usa? " i asked him"when will you come? " we asked them"how old is your brother? " she asked me"are you a student"

He asked her where she was from.
They asked their coach if he had been to the Usa.
I asked him when he would come. 
We asked them how old their brother was. 
She asked me if I was a sudent.