Giúp em với ạ, không cần dịch chỉ cần giải thích Question I. Choose the best answer. 16. My dad doesn’t mind ________ my mom from work every day. A. pick up B. picked up C. picking up D. picks up 17. Among the_________, the Tay people have the largest population. A. groups B. cultures C. ethnic minorities D. ethnic 18. Viet Nam is ________ multicultural country with 54 ethnic groups. A. a B. an C. the D. A and B 19. Tet is an occasion for family_________ in Viet Nam. A. visiting B. meeting C. reunions D. seeing 20. Saint Giong was unable to talk, smile, or walk_________he was three years old. A. If B. because C. while D. even though 21. We do not have many carnivals in Viet Nam; ________, we have many tradition festivals. A. nevertheless B. while C. although D. because 22. At school, the teacher and students________ follow the rules. A. has to B. have to C. need to D. haven’t to 23. The US is a_________country with over 80 ethnic groups. A. multi-cultural B. bi-lingual C. rich D. ethnic 24. So many people nowadays are____computers and mobile phones. They use them a lot. A. addicted B. bored C. worried about D. afraid of 25. While I__________the performance, I met one of my old friends. A. watched B. was watching C. watch D. am watching