21.   Canary Wharf could sustain that interest for some years.

22.   Further, as the Clinton administration has learned to its sadness, such counsels grind inexorably away, year after year, sustaining press interest.

23.   How do you sustain your interest in a case, or in anything, when you already know what happened?

24.   In addition, the well-spoken ferocity with which Kerry and Weld have waged their contest has sustained interest among political professionals, the national media, and casual observers.

25.   In the task of sustaining interest for so long with one instrument, Rands was aided by the flutist Judith Pearce, who played brilliantly.

26.   Is it harder to sustain interest for a generation weaned on half-hour sitcoms and five-minute video games?

27.   McClintock also noted that the instant gratification of the Web helped students sustain interest in their projects.

28.   Ms. Gibson, an enchanting actress under most circumstances, here seems slightly embarrassed by her role, and you can feel her working overtime to sustain our interest.

29.   Now, the challenge is to sustain the interest.

30.   Once more, a hodgepodge has been turned into a show so fast and frantic that it sustains interest even when it makes no sense.