9. “You ought not to go to bed late,” my father said to my elder sister. (advised)

10. “ Can you help me clean the floor?” Hoa said to her younger sister. (asked).

11. “Do your homework before going out with your friends,” Hoa’s brother said to her.  (told)

12. “Don’t leave litter in your drawer.” the teacher said to Tuan. (told)

13. “I would apologize the teacher if I were you.” Peter said to Mary. (advised)

14. “I wouldn’t buy these shoes if I were you.”  Huyen said to Lien (advised)

15. “Would you mind helping me move this wardrobe?” Mrs. Kim said to Mr. Ba (asked)   

16. “Would you mind not parking your car here?” I said to my neighbour.  (told)

17. “Did you see a UFO yesterday evening?” the reporter asked Mr. Quang (if)

18. “Are you going to visit NASA next Thursday?” said Mai to Dr, Taylor

19. “When was the last UFO sighting reported?” Nguyen  said to Nam (asked

20. “What are artificial satellites used for?” we said to the scientist. (asked)