1. She usually replies immediately **to**.
2. I was sorry to hear **about** your accident.
3. Have you ever heard **of** comments on her posts?
4. I look forward to hearing **from** you.
5. How many countries took part **in** the last Olympic Games?
6. We encourage students to participate fully **in** the exams.
7. The whole class is working hard preparing **for** the exams.
8. The community depends **on** the running of the college.
9. Scores in the competition were not significantly related **to** the shipping industry for its survival.
10. He was keen **on** proposing ideas about activities for the welcome event.
11. I have decided to apply **for** this new job.
12. The rules applied **to** gender.
13. The training programme aims **at** raising employees' awareness about human rights.
14. The students' participation is contributing hugely **to** the success of this event.
15. The conference is a good place to share information and exchange ideas **with** other participants.
16. He was eager to communicate **with** foreign friends.
17. School Tour Program helps raise awareness **of** ASEAN and promote cultural exchanges.
18. The new event which is about discovering ASEAN charm is looking **for** participants.
19. It seemed a reasonable solution **to** a difficult problem.
20. They're calling **for** all men and boys to join the competition.
21. Cooperating with other countries is beneficial **for** dealing with so many people.
22. We put **out** a call for ideas for activities to welcome guests.
23. The organizers failed to make the necessary arrangements **for** the event.
24. The agreement created the bonds **between** other countries in the association.
25. At Tet, people usually light fireworks which can scare **away** bad luck.
26. Thai people splash each other with water in this holiday because they believe that water will wash **away** bad luck and ill health.
**Giải thích:**
- Các giới từ được chọn dựa trên cách sử dụng thông thường trong tiếng Anh và ngữ cảnh của từng câu. Ví dụ, "look forward to" luôn đi kèm với "hearing" (danh động từ), "depend on" thể hiện sự phụ thuộc, và "apply for" là cách diễn đạt khi nộp đơn xin việc. Mỗi giới từ được sử dụng để tạo ra nghĩa chính xác và tự nhiên cho câu.