11. A. How 12. My mother is used to A. watch does your father want to travel to Nha Trang? B. What films late at night. B. watched 13. We were delighted A. getting 14. Would you mind A. to turn 15. I can't go with you because I A. haven't finished C. watching your letter last week. B. to get C. get off the lights? I'd rather you didn't. B. turn C. Who 16. Luckily, I got some A. useless B. useful 17. When I came to visit her last night, she B. was having A. had 18. Many people choose to buy houses in the suburbs A. because 19. This hotel is not A. as comfortable as my homework yet. B. had finished C. finished advice on how to make a presentation. C. usefulness a bath. B. so that the last one we stayed in. B. more comfortable C. turned D. Where C. comfortable D. to watch D. got D. turning D. finish D. uselessness C. were having D. is having they can avoid the noise and pollution in the city. C. so D. Although island. D. the most comfortable