Англ.яз! Помогите!!Перевести в косвенную речь

She promised that she would speak to the manager about him.
The teacher asked Nelly if she would shut the window.
The new pupil asked Cyril if he was a captain of the school football team.
Andy asked the physical education teacher how long it usually took to learn to skate.
Guide said that they were looking at a magnificent sample of ancient art then.
Students said that they had translated the article and done all exercises.
The zoo worker told the visitors not to feed the animals.
Nick told Alla to let him help her to carry her suitcase.