21.   He ate lunch and left just after.

22.   He left just after nightfall.

23.   He left after the passage of a few hours.

24.   He left just after the show ended.

25.   The crowd begins to leave after the midpoint of the final period.

26.   He left after an hour.

27.   Many of the convention guests left after the keynote address.

28.   They left after about an hour, without seeing Koffigoh, who denounced their actions in a broadcast later in the day.

29.   The band left us after lunch to play on the esplanade of Stirling Castle.

30.   Her mind was not on the film, however, and she left after an hour.