At the hickory dickory dock.
or
Nearly unanswerable, since the one who tries to change it usually drops it, and the others call for a planning session.
or
Because he wanted to draw the curtains!
or
Because he never pays his debts.
or
So I went - and I got it.
or
Twenty. One to hold the bulb, two to turn the ladder, and seventeen on the guest list.
or
he got a little behind in his work.
or