=>
11. Ms Lien suggested organizing an English competition for their student.
-> suggest Ving : đề nghị, gợi ý
12. Mr Thanh apologized for being late.
-> apologize for Ving : xin lỗi vì
13. Bob denied taking Sue's calculator.
-> deny Ving : phủ nhận
14. David accused Henry of taking his pencil.
-> accuse sb of Ving : buộc tội ai làm gì
15. He insisted on seeing the manager.
-> insist on Ving : khăng khăng
16. Mike criticized his brother for taking his bike without asking him first.
-> criticize sb for Ving : chỉ trích, phê bình 
17. Mary congratulated me on winning the scholarship.
-> congratulate sb on Ving : chúc mừng ai về
18. Lan thanked Hoa for helping her with her homework.
-> thank sb for Ving : cảm ơn ai vì
19. Nick's mother prevented him from playing game then.
-> prevent sb from Ving : ngăn cản ai làm gì
20. Peter apologized for breaking the glass.
-> apologize for Ving : xin lỗi vì