C. will receive D. am receiving 14. They for nearly 50 years. A. marry B. have been married C. married D. will marry 15. How many times there so far? A few times. A. have you been B. would you be C. were you D. had you been 16. It’s at least a month since Tom. A. I last seen B. I last see C. I have last seen D. I last saw 17. We almost every lesson in this book so far. A. study B. studies C. has studied D. have studied 18. We that television program. A. never watch B. not never watch C. have never watched D. has never watched 19. Up to then, I such a big fire. A. have never seen B. had never seen C. never seen D. never see 20. I her since I a student. A. know/ am B. knew/ was C. have known/ am D. have known/ was