81.   But that turn neither occurred with the end of school prayer nor the beginning of abortion on demand.

82.   But the overall effect is to lessen the apprehension that can occur with a subcompact car.

83.   But similar incidents occur with great frequency, both in New York and across the country.

84.   But these days, as the Senate succumbs to the sound-bite culture, debates there are increasingly rancorous and party-line votes occur with great frequency.

85.   But when a slowdown occurred with almost no warning, and goods piled up in warehouses and stores, businesses cut spending and laid off workers.

86.   By contrast, Oxford was relaxed and discursive, where learning occurred almost through dialogue with fellow students.

87.   But when the repairman showed up and I explained the problem, he told me that it actually occurs with some regularity.

88.   Caused by a blood clot or bleeding in the brain, a stroke can occur with sickle-cell anemia, brain tumors or other conditions.

89.   Chemical changes, in concert with oxygenation, do occur with most wines, causing them to either improve or deteriorate.

90.   Comparable plague epidemics occurred with less notice in Peru, Vietnam and Zaire in recent years.