из прямой речи надо сделать косвенную речь с повелительным наклонением:
mum: "Do homework!"

1. She asked how many hours a day I watched TV. 2. She asked not to write a letter to Ann. 3. He asked what magazines I prefered to read. 4. She said that Tom was leaving the following day. 5. My mother asked me if I had had my hair cut.