题目内容：

The whole village soon learned that a large sum of money had been lost. Sam Benton, the local butcher, had lost his wallet 1.taking his savings to the post office. Sam was sure that the wallet 2. have been found by one of the villagers, but it was not returned 3. him. Three months passed, and then one morning, Sam found his wallet  outside his front door. It had been wrapped up in newspaper and it contained half the money he had lost, together with a note which said:‘A thief, yes, but only 50 4.a thief!’Two months 5., some more money was sent to Sam with another note:‘Only 25 per cent a thief now!’In time, all Sam's money was back.