16. My family is a ______ family with my parents, my sister and I.
A. nuclear  B. extended  C. large  D. big
 Đáp án: A. nuclear
→ Nuclear family = gia đình hạt nhân (chỉ có bố mẹ và con cái).

17. ______ the summers, I would go to my uncle’s farm in the countryside.
A. In  B. For  C. On  D. At
 Đáp án: A. In
→ In the summer(s) là cụm giới từ chỉ thời gian đúng.

18. The children were playing in the park ______ their parents were chatting nearby.
A. Afterward  B. Eventually  C. Meanwhile  D. Because
 Đáp án: C. Meanwhile
→ Meanwhile = trong khi đó → hai hành động xảy ra song song.

19. How ______ people are there in your family?
A. many  B. much  C. a lot of  D. few
 Đáp án: A. many
→ “People” là danh từ đếm được số nhiều → dùng many.

20. Teens now like to eat fast food, greasy food and sugary drinks ______ than home-cooked meals.
A. as much  B. most  C. more  D. as many
 Đáp án: C. more
→ So sánh hơn: “more than”.

21. – David: “I got a promotion at work!” – Tim: “______.”
A. You’re welcome  B. Good luck  C. Congratulations  D. Thanks a lot
 Đáp án: C. Congratulations
→ Chúc mừng khi ai đó đạt thành tích.

22. Peter has three ______. They are his two sisters and his little brother.
A. siblings  B. relatives  C. friends  D. cousins
 Đáp án: A. siblings
→ Siblings = anh chị em ruột.

23. My grandma was a housewife. She ______ the family and didn’t have a job after getting married.
A. took after  B. took care  C. looked after  D. cooked
 Đáp án: C. looked after
→ Look after = chăm sóc (ai đó).

24. My mother fell in love with one of her colleagues and they got married 2 years ______.
A. ago  B. before  C. back  D. past
 Đáp án: A. ago
→ “2 years ago” = cách đây hai năm.

25. The generation ______ between parents and children can lead to misunderstandings and conflicts.
A. issue  B. break  C. blank  D. gap
Đáp án: D. gap
→ Generation gap = khoảng cách thế hệ.