Dưới đây là phần chia động từ phù hợp cho các câu:

14. They were fined for **not paying** the bill.
15. The teacher ordered us **to work** in pairs.
16. He went on **studying** for 5 hours.
17. I regret **to inform** you that your proposal hasn't been accepted.
18. I would like **to have** dinner with you.
19. This exercise is difficult **to understand**.
20. The company postpones **having** a meeting.
21. Do you regret **not learning** English when you were at school?
22. I’m getting used to **getting up** early to go to work.
23. I don’t remember **visiting** that city.
24. Sam tried **to fix** the car but he couldn’t **do** it.
25. I heard my brother **singing** in his room.

Hy vọng điều này giúp ích cho bạn!