31.   But not everyone is convinced that things are improving.

32.   But things may be improving for the vice president.

33.   But things are improving in the city, she said.

34.   But things have improved, Hilla said.

35.   But things improved when the regular session started.

36.   But things have not improved in the dangerously decaying building, Mrs. Galarza says.

37.   But when things improve, spending booms as pent-up demand bursts.

38.   But things have improved in recent years, and the present crop of Oscar-nominated films contains some of the best such showcases the movies have ever seen.

39.   But things have improved.

40.   But things slowly improved.