21.   Currency traders waited to see if U.S. bonds and stocks will keep rallying after recovering yesterday from declines that lasted for about a week.

22.   Each operation, conducted jointly with North Korean officials, will last about a month.

23.   Even if the practice, more spectacle than basketball, was only scheduled to last about an hour.

24.   First, HP chief executive Carly Fiorina and her top financial officer, Robert Wayman, came calling in January to make a presentation that lasted about an hour.

25.   For now, Californians are facing rolling blackouts, which are temporary power cuts usually lasting about an hour.

26.   For the welfare of Tripplett and his teammates, forever needs to last until about Saturday morning.

27.   Gamez figures he would last about a week.

28.   Gary Carter lasted about that long.

29.   Guided tours, available by reservation and at no extra cost, last about an hour.

30.   He said the test, which started two to three months ago, is expected to last about a year.