71.   Sales of new models, four-wheel drive and recreational vehicles continue to be brisk since last year, analysts say.

72.   School playgrounds have been off-limits since the food poisoning, public swimming pools have shut down, and some summer camps were canceled.

73.   Seeking to move up a notch, he changed his entire training regime for the Tour and has been invisible since the start.

74.   Since bird skeletons are extremely rare on the forest floor, that must be enough time to figure out the correct behavior response.

75.   Since pig organs are the right size for humans, and since pigs are inexpensive and easy to breed, scientists have long considered them as potential donors.

76.   Since that it is not the case, reading this book could go far toward avoiding a need for the services of Minns or someone like him.

77.   Some mailing lists have been around since the beginnings of the Internet itself, and new ones are being created every day.

78.   So what, too, if I was alone on a Saturday night, like a total loser, since pairs of tickets were impossible to come by?

79.   Stocks, which have been hurt since the beginning of the year by concerns that the Asia crisis will cut into corporate profits, declined again today.

80.   Syphilis has been treatable since the discovery of antibiotics in this century, but it remains difficult to diagnose.