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　　Mr and Mrs Moore were invited to a Christmas party at a hotel one day．They 　　1　　 their car outside and went in．Mr Moore had never got drunk before, so he was careful not to drink too much, 　　2　　 his friend asked him to drink more all along．

　　During the party, Mrs Moore found that she had 　　3　　 to take her bag, so she asked her husband to go out to the car and get it for her．He did so, but on his way back to the hotel, he heard a car horn blowing near his own car．He thought 　　4　　 might be in need of help and went over to the car with the 　　5　　．He found a small black bear sitting in the driving-seat and blowing the horn．

　　When Mr Moore got back to the party, he told several people about the bear, but of course they did not believe him and thought he was drunk．When he took them out of the hotel to 　　6　　 that his story was true, he found that the car with the bear in it had gone．There were so many 　　7　　 about Mr Moore's black bear during the next week that he at last put an advertisement in the newspaper：“If anyone saw a black bear blowing the horn in a car outside the Century Hotel on the evening of Christmas Day, please tell…”

　　Two days later Mrs Richards called him and said that she and her husband had left their pet bear in their car outside the Century Hotel for a few minutes that evening, and that maybe the pet had blown the horn．