Напишите нижеследующие предложения в косвенной речи, начиная предложение со слов Nick

1) How much did it cost?  Nick asked how much it had cost.

2) Why didnt you call on me yesterday evening? Nick asked why he had not called on him in the evening the day before.

3) I was out when my friend dropped in. Nick said (that) he had been out when his friend had dropped in.

4) I hoped that he would help me. Nick said (that) he had hoped that he would help him.

5) I understood that he had missed his train. Nick said (that) he had understood that he had missed his train.