31.   But the two cases showed how fervently some companies work to keep themselves out of the news.

32.   But the subsidies become impossible to maintain if competitors enter the market, so regulators and the local telephone companies have both worked to keep the monopoly in place.

33.   Callaway said the Trofimoffs worked to keep busy.

34.   Dole told reporters on Tuesday that he would work to keep the government open.

35.   Dole, the majority leader, told reporters on Tuesday that he would work to keep the government open.

36.   European cities are old and work to keep their identities.

37.   Earnhardt also was working to keep his family name at the top of the sport.

38.   Fields had a center seat and Wallace repeatedly praised him for working to keep schools separated by color.

39.   From the day of the tragedy, the company leaders have worked to keep their business going.

40.   Grocery, drug and convenience store chains had to work to keep their racks supplied.