完形填空Mr.Black was a strng man.He liked piaying football and··

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　　Mr.Baker was a strong man．He liked playing football and spent a lot of time on the game when he studied in a medical collage（医学院）．But his right leg was broken when he was playing football with his friends．He couldn't play football any longer．He was sorry for it and liked to watch the game．
　　Now Mr.Baker works in a hospital．He is a good dentist and many patients ask him for help．He is always busy and has little time to watch the matches．He has to watch them on TV at home in the evening．But the biggest football match in their city would start at four one afternoon．Mr.Baker hoped to watch it,but the head of the hospital didn't agree．"You can't go out until all the patients in you office leave．" he said．
　　It was three-twenty when there were about ten patients in the waiting-room．Mr.Barker was worried．He thought for a moment and had an idea．He said to a woman who was lying on the dental（牙科的）chair,"Cry loudly,madam!I'll pull your bad tooth out free（免费的）if you frighten away（吓走）the other patients!"