71.   But as the days went by, he began to feel pangs of dissatisfaction.

72.   But as the days went by, her credibility started to slip.

73.   But as each day goes by without another crash, the urgency drains away.

74.   But as the day went on and Russian rescue ships rushed to the area, the focus of concern shifted to the dire situation of men on board.

75.   But as the long day went on the partisanship became ever more pronounced.

76.   But even with all that going for me, scarcely a day goes by without my having to fight through unexplainable glitches, software mismatches and crippling stoppages.

77.   But as the day goes on, sleep pressure builds, and the bell rings louder and louder to fight off fatigue.

78.   But as the days have gone on, they all look more and more tired.

79.   But as the days went on, I was impressed.

80.   But hardly a day goes by when they do not find drugs.