21.   Clinton did his part to mark the occasion and look toward the next century.

22.   Everyone seems to want a photo, an autograph, something to mark the occasion.

23.   Exiled leaders of the democracy movement, including some who spent years in prison, gathered at Harvard University to mark the occasion.

24.   He received a commemorative coin to mark the occasion.

25.   He did it quietly, with no retrospectives to mark the occasion or discuss his meaning to America or the national pastime.

26.   He was given a game ball to mark the occasion. . . .

27.   I send and receive cards and telephone calls marking special occasions.

28.   In the United States, the occasion is marked by solemn gatherings, in public buildings and synagogues.

29.   It seemed like everybody was doing something to mark the occasion.

30.   Meanwhile, bartenders at The City Squire located down the street from the news media stake out whipped up a special sandwich to mark the occasion.