12. If Mr Chan had been kinder to his employees, his business would not have collapsed. 13. She had never been so disappointed before. 14. I have never known such a generous person. 15. I have never seen such a mess in my life. 16. Public borrowing has seldom been so high. 17. They had seldom participated in such a fascinating ceremony. 18. They little suspected that the musical was going to be a runaway success. 19. The embassy staff little realized that Ted was a secret agent. 20. I had hardly begun to apologize when the door closed. 21. The shop can in no way be held responsible for customers' lost property. 22. The couple had no sooner arrived than the priest started the ceremony. 23. Tom only understood the meaning of the comment when he saw his wife's face. 24. The restaurant cannot accept animals under any circumstances. 25. The artist rarely paid any attention to his agent's advice.