21.   Each pay period begins on the first of the month.

22.   The story began on a downtown Brooklyn street corner.

23.   Tony did not begin on the bottom rung of the ladder.

24.   He began in the basement.

25.   Busmen have decided to go on strike next week.

26.   The strike is due to begin on Tuesday.

27.   No one knows how long it will last.

28.   The moratorium would begin on the same day as negotiations opened.

29.   On the same day, work began on reconstructing and rebuilding telecommunications buildings and the following day a campaign was launched to repair damaged roads and bridges.

30.   Afterwards Mesic asserted that there would be no rush to secede from Yugoslavia and that negotiations should begin on the shape of a new, looser confederation.