15．B．根据短文内容和所给中文提示，写出空白处各单词的正确形式，每空限填一词．
Lionel Andres Messi is one of the greatest football stars in the world．
Messi was （46）born（出生）in Rosaris，Argentia on June 24，1987，His father was a（47）worker（工人）and mother was a part-time cleaner．He has two（48）brothers（兄弟）and a sister．At the age of five，Messi started playing football for a local club．He practiced （49）seven（七）hours or more each day．He was （50）full（充满）of energy and ran fast．He soon showed great talent in playing football．
Messi never gives up even if he（51）loses/fails（失败）or meets difficulties，In 2006，he （52）hurt/injured（受伤，伤了）his foot badly，but he came back three months later and scored three goals in a match against Real Madrid．His fans all stood up and cheered for （53）him（他）．When asked the secret of his success，Messi said，“I’m always working（54）hard（努力地）to be my best，first for my team，for the fans，and to try and （55）win（赢）．Playing football is part of my life．”
