11.   But chances of it happening are long due to so many factors -- accidents, girlfriends, grades.

12.   But what was perhaps most interesting was what happened when the researchers used live, crawling insects on a complex surface.

13.   But transit officials said that whatever city officials believed was happening the situation was fairly routine until passengers created a crisis by going onto the tracks.

14.   Clearly, Florida is what happens when God gets real busy and forgets about you.

15.   During the workshop, this usually turns out to be whoever happens to be sitting beside you.

16.   If this is what happens when he feels good for the first time, just imagine what is to come.

17.   If indeed there was nothing happening, then indeed we would get an explosion.

18.   It is all happening because, in New York, Hollywood has found a home away from home.

19.   It is all happening, though, at perhaps the most tense point of the season, with one game remaining and the season at stake.

20.   It was all happening too fast, but eventually, well after midnight, it stopped.