41.   On Thursday, the administration denied that withdrawing the workfare workers proved the city had been using them to replace regular workers.

42.   Other Canadian cities have used classical music to repel bad characters from public spots, but Montreal is the first to resort to hard-core opera.

43.   Other cities are using the test in various ways.

44.   Plans to build a gargantuan skyscraper in its place were eventually dropped, and instead, the city used the site for an Olympic-size swimming pool.

45.   Private funds produced the games, and the city used existing athletic facilities for venues and university dormitories for housing, thus incurring minimal capital costs.

46.   Previously, the city used other landfills and incinerators in the five boroughs.

47.   Rather than squelching graffiti, he added, the city should have used it to beautify urban spaces.

48.   Reflecting a shift from early in the century, most U.S. cities now use medical examiners, appointed by local governing bodies.

49.   Small cities have long used marketing pitches to attract airline service, but Wichita is one of several that have recently courted AirTran with hefty financial incentives.

50.   So do tax breaks and other subsidies that the cities use aggressively to coax companies to locate or expand there.