71.   Business owners who violate the statute must often attend special classes about its requirements and face contempt proceedings if they fail to change their business practices.

72.   But at Khartoum University, where the government is generally viewed with skepticism, most students ignored the rallies and attended classes.

73.   But I never attended their classes.

74.   But Fox said Terry had countless out-of-town obligations that made it impossible for him to attend classes.

75.   But on Thursday, the students here refused to attend classes because the air conditioners broke.

76.   But students can circumvent all that with test-prep software that is infinitely more interesting than a workbook and far more convenient than attending a class.

77.   But the idea that she should be allowed to work with men, or even attend classes with them, is one that he still cannot brook.

78.   By day, he attended classes.

79.   But within three years, she stopped attending classes, according to university officials.

80.   Champagne flowed freely in her house, recalled Robert Jakoubek, a publishing industry executive who met her when they attended history classes at Columbia together.