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In the United States, there were 222 people      (report) to be billionaires (亿万富翁) in 2003. The     (rich) of these is Bill Gates, worth       least $ 41 billion, who made his money      starting the company Microsoft. Mr. Gates was only 21 years old      he first helped to set up the company in 1976. He was a billionaire by the time he was 31.
  , there are still some other people who have made lots of money at even      (young) ages. Other young people who have struck it rich include Jackie Coogan and Shirley Temple.        of these child actors made over a million dollars      (act) in movies before they were 14. But     youngest billionaire is Albert von Thurn und Taxis of Germany, who, in 2001, inherited (继承) a billion dollars when he turned 18!