Преобразуйте предложения из прямой речи в косвенную речь: 1) he asked, "how will he find it out? " 2) "i can show you the collection of mail stamps of my father", he added. 3) she asked, "how long have you been working at this problem? " 4) "please, don't smoke here", said the teacher. 5) the secretary said to me: "the delegation from moscow arrived yesterday."

Ht asked how he would find it out.
2)He added that he could show the collection of mail stamps of his father.
3)She asked how long I had been working at that problem.
4)The teacer asked not smoke there.
5) The secretary told me that the deledation from Moscow had arrived yesterday.