Переделать следующие предложения из прямой речи в косвенную:
1) She said, "This is my book"
2) Olga told them, " He went to the cinema yestarday"
3) She said, "They won't sleep tomorrow"
4) Andy said, "I have done the whole housework"
5) Mary said, "This boy didn't find the mistake in this test"
Помогите плиз)