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 at least $ 41 billion, who made his money____starting the company Microsoft. Mr. Gates was only 21 years old____he first helped____（set up）the company in 1976. He was a billionaire by then. ____, there are still some other people who have made lots of money at even ____（young）ages. Other young people who have ____（strike）it rich include Jackie Cogan and Shirley Temple. Both of these child actors made over a million dollars ____（act）in movies before they were 14. But   the youngest billionaire is Albert von Thurn und Taxis of Germany, who, in 2001, inherited（继承）a billion dollars when he ____（turn）18!