Переделайте прямую речь в косвенную с использованием глаголов: tell, say, ask, object, agree, complain, inform, confirm, mention.
Arthur: Has the post come yet, Robert?
Robert: Yes. There were only two letters, one for you and mother, and one for me.
Eileen: Nothing for me?
Robert: Of course not.
Eileen: Why “of course not”?
Robert: Well, you never write to anyone. You have never written a letter in your life.
Eileen: I have.
Robert: You have not.
Jane: Now you two, stop arguing and get on with your breakfast.
Arthur asked Robert if the post had come yet.
Robert confirmed it. He said that there had been only two letters, one for Arthur and mother, and one for him.
Eileen asked if there was something for her.
Robert told/informed Eileen that there was nothing for her.
Eileen asked/objected why there was nothing for her.
Robert mentioned that she never wrote to anyone. He said that she had never written a letter in her life.
Robert did not agree.
Jane asked Robert and Eileen to stop arguing and get on with their breakfast.