It is a true story．Once upon a time，one of Alex's horses was stolen by his neighbor．Alex went to the neighbor's home with a policeman to get his horse back．But the neighbor refused to give the horse back．He said that it was his horse．

Suddenly Alex had a good idea．He put both of his hands over the eyes of the horse and said to the neighbor，"If this is your horse，then you must tell us in which eye the horse is blind．""In the left，"said the neighbor．Alex took his hand from the left eye of the horse and showed the policeman that the horse was not blind in the left eye．

"Oh，I have made a mistake，"said the neighbor．"He is blind in the right eye．"Alex then showed that the horse was not blind in the right eye，either．

"I have made another mistake，"said the neighbor．

"Yes，"said the policeman，"and you have also proved that the horse isn't yours．You must give it back to Mr．Alex．"

51．Why did Alex go to the neighbor's home？ 　　

A．	To help his neighbor．
B．	To get his horse back．
C．	To buy a horse．
D．	To steal a horse

52．Who came up with a good idea？ 　　

A．	The neighbor．
B．	The policeman．
C．	Alex．
D．	We don't know．

53．Which of the following is true？ 　　

A．	The horse was blind in the right eye．
B．	The horse was blind in the left eye．
C．	The horse was blind in both eye．
D．	The horse was not blind

54．The neighbor's words proved that 　　

A．	The neighbor told a lie．
B．	The horse was blind．
C．	The policeman told a lie．
D．	Alex told a lie．

55．What can we infer （推断）from the passage？ 　　

A．	The neighbor didn't give the horse back．
B．	Alex could get his horse back．
C．	The neighbor didn't steal the horse．
D．	Alex didn't believe in the policeman．