giúp mình vs mn ơi :13. After many years, Bella became ____ of her friendship with Mia. A. tired B. tiring C. tiredly D. tiringly 14. It is generation gap that ____ parents and children move away from each other. A. make B. made C. making D. makes 15. It is parents ____ should take the initiative to understand their children’s ways of thinking. A. whose B. which C. whom D. who 16. It ____ my childhood that I had a very close friend in the neighbourhood. A. is during B. was C. was during D. is 17. It is Mary ____ is directly responsible for providing advice for teenagers in our office. A. which B. who C. whose D. whom 18. ____ that we graduated from high school. A. It is in May B. It is May C. It was May D. It was in May 19. It ____ that we announce the winner of the English speaking contest. A. is with great pleasure B. is great pleasure C. was great pleasure D. was with great pleasure 20. It was Anna ____ I had a romantic relationship with when I was 17 years old. A. who B. whose C. where D. whom 21. It is our education ____ us human. A. who makes B. that makes C. who made D. that made 22. It is teenagers ____ their emotions hard to control. A. which find B. which finds C. who find D. who finds 23. It is respect ____ is a key element for every positive and meaningful relationship. A. who B. when C. what D. which 24. It ____ that my sister came home after her first date yesterday. A. is 9 p.m. B. is at 9 p.m. C. was 9 p.m. D. was at 9 p.m. 25. It is a romantic relationship that teenagers ____ discouraged from. A. were B. are C. is D. was 26. It is being open to talk about the relationship ____ is the best way to show support to your children. A. who B. that C. whom D. whose