23. His drunken behavior at the wedding was deplorable. 

20. You may find that jogging is detrimental rather than beneficial to your health. 

22. The hostess was affronted by Bill's failure to thank her for dinner. 

19. We had to list the chronology of events in World War II on our test. 

21. The power failure at 7 a.m. caused consternation among the city's commuters. 

16. The Industrial Revolution marked the beginning of an epoch of exodus from rural areas to cities. 

17. Participants from 100 countries go to the Olympic Games. 

15. The union members boycotted the meeting because they did not want to go on strike. 

18. He got a gold medal for the feat of lifting 500 pounds. 

12. The neighbor's constant wrangles with each other shattered our tranquility.