10. The boy said to his sister “Have you ever read a book on space flights?” The boy asked 11. “Do you want to insure your luggage or not? The travel agent asked 12. “Please turn up the volume, Nga” said her grandmother Nga’s grandmother asked 13. “What are you doing?” She asked me She asked 14. “Can you speak English?” Mr. Brown asked Mr. Brown asked 15. “What do you usually do in your free time?” the examiner asked The examiner asked 16. My friend said “Are you going to leave tomorrow?” My friend asked 17. “Did you phone me yesterday?” Tom asked Mary Tom asked 18. I asked the policeman “Do you know how far it is to the station?” I asked Giúp mình ạ