21.   A lot can happen in seven days.

22.   A lot can happen in the space of a hundred highway miles.

23.   A lot happened when the Raiders left Oakland.

24.   A lot happens in a little more than seven minutes.

25.   A lot has happened since Jimmy made that rare mistake.

26.   A lot has happened to the author in the three years since penning the hugely best-selling novel.

27.   A lot of things happened all of a sudden there.

28.   A lot will happen over that half-century.

29.   A lot can happen between now and then.

30.   A lot can happen between the signing ceremony and entry into force.