11.  But this viewpoint is an unusual one.

12.  He began to read about trees, look for unusual ones, visit aboretums.

13.  His agreement with the foundation is an unusual one.

14.  Her job is an unusual one.

15.  In fairness to Valentine, his decision was hardly an unusual one, particularly because it created the possibility for a force-out at any base as well.

16.  It was a big day, and an unusual one, for the two deportation officers, because their supervisors rarely give them permission to leave their desks.

17.  It was a painful episode for one family, but far from an unusual one.

18.  Just an unusual one that can work if both announcers listen to each other and understand their roles.

19.  Microsoft also appeared to be telegraphing to the Wall Street community that the past quarter may have been an unusual one against a slowing economy.

20.  Pei has said that before setting out to design the Hall of Fame, his only personal connection to rock-and-roll was the not unusual one of disapproving parent.