51.   There are flies in these answers, duly noted by economists.

52.   There are more apologies floating around than there are dragon flies.

53.   There are flies whose larva, deposited through a bite, migrate to the eyes and destroy sight.

54.   There is another fly that is puzzling people.

55.   There was one fly in the ointment.

56.   There were no flies on the wall of the White House that night.

57.   There were so many flies.

58.   There really are beneficial flies.

59.   There were flies on the plane.

60.   Tough, long-lasting flies are just one example.