переделать из прямой речи в косвенную
1) ''Does your friend often come here boys?'' said Fred. ''I want to speak to him''
2) "How did you manage to solve this difficult problem in such a short time?" said my friend to me
3)The teacher said to us: "You will write a test-paper tomorrow"
4)'He said: "Who is this man? I don't know him"
5) "Which of you can answer my question?" the teacher asked the pupils