41.What person does every man take his hat off to?

42.What can you swallow than can also swallow you?

43.Which three letters can frighten a thief away?

44.What appears once in every minute,twice in every moment, but not once in thousand years?

45.What would you say if you saw a ghost(鬼)?

46.Which is the left side of a cake?

47.A police saw a truck driver going the wrong down a one - way street,but paid no attention to him.Why?

48.Where should the milk be best stored ?

49.What is the hardest thing about learning to ride a bicycle?

50.What always has one eye open but can't see?

Keys (V)

41.A barber.

42.Water.

43.I C U

44.The letter M.

45.I would say nothing and run as fast as possible.

46.The side that isn't eaten.

47.The truck driver was walking there.

48.In a cow.

49.The ground.

50.A needle.