**24. Đáp án: B. won't**
**Giải thích:** Câu này sử dụng cấu trúc "so that" để chỉ mục đích. "Leave early so that you won't miss the bus" có nghĩa là "Rời đi sớm để bạn không bị lỡ xe buýt." Các đáp án khác không phù hợp với ngữ cảnh của câu.
**25. Đáp án: A. must**
**Giải thích:** Câu này diễn tả một sự suy luận mạnh mẽ về việc chiếc nhẫn đính hôn của Jenny rất lớn, vì vậy nó "must have cost a fortune" có nghĩa là "chắc chắn đã tốn một gia tài." Các đáp án khác không thể hiện sự chắc chắn như "must."
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**Phần 2: Hoàn thành câu thứ hai sao cho có nghĩa giống như câu đầu tiên.**
1. If I were you, I wouldn't spend much time watching online videos.
**You shouldn't spend much time watching online videos.**
2. It is compulsory for the young to respect the older generations.
**Young people must respect the older generations.**
3. You are not allowed to be rude to your parents.
**You must not be rude to your parents.**
4. You mustn't wear shorts to school.
**Wearing shorts to school is not allowed.**
5. I think it's not necessary for parents to compare their children with others.
**Parents don't need to compare their children with others.**
6. Can high schools' students are encouraged to study about generations.
**High school students are encouraged to study about generations.**
7. You are prohibited from bringing dangerous items to nursery homes.
**Bringing dangerous items to nursery homes is prohibited.**
8. Spending too much time on digital devices can do harm to teenagers.
**Too much time on digital devices can harm teenagers.**
9. If I were you, I would change the way you talk.
**You should change the way you talk.**
10. The grandparents always forced Phat to become a doctor, which causes lots of pressure on his study.
**Phat was always pressured by his grandparents to become a doctor.**
11. If I were you, I wouldn't spend half of my study time watching TikTok.
**You shouldn't spend half of your study time watching TikTok.**
12. It is obligatory for young individuals to show respect towards the older generations.
**Young individuals must show respect towards the older generations.**
13. Teenagers are encouraged to spend less time on social media such as Facebook or TikTok.
**Teenagers should spend less time on social media like Facebook or TikTok.**
14. If I were you, I would explain to my grandparents more about teenagers' lifestyles.
**You should explain to your grandparents more about teenagers' lifestyles.**
15. Children are not allowed to argue stubbornly with their parents.
**Children must not argue stubbornly with their parents.**
16. Nowadays, it is not necessary for young people to follow their parents' footsteps.
**Young people don't have to follow their parents' footsteps.**
17. Having too much screen time can create many negative effects on young people.
**Too much screen time can have many negative effects on young people.**
18. Because of his parents' prejudices, he is forbidden to become a rapper.
**He is not allowed to become a rapper because of his parents' prejudices.**
19. My mother forces me to sweep the floor every day.
**I have to sweep the floor every day because my mother forces me.**
20. If you go on talking to your parents rudely, your parents will be upset about you.
**Talking rudely to your parents will upset them.**
21. It is unnecessary for people to argue whether the young or the old generations are better.
**People don't need to argue about whether the young or the old generations are better.**