What part of a watch was used before by someone else?

Why are dogs afraid to sunbathe?

Where can a dog get another tail?

A girl who was just learning to drive went down a one-way street in the wrong direction,but didn't break the la2.How come?

Who works only one day in a year but never gets fired?

Why do smart students refuse to write about the king as their subject?

Who may marry many a wife and stay single all of his life?