阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Kip Keno, an untrained Randi tribesman (部落成员), was already 28 years old 【小题1】 he made his second Olympic 【小题2】 (appear) at the 1968 Mexico City Olympic Games. Suffering from violent stomach caused by a gall bladder (胆囊) infection, Keno entered the 10, 000 m. He was running with the leaders when, with two circles 【小题3】 (go), he doubled up with pain and fell onto the field. He jumped back up and finished the race, 【小题4】 he was canceled qualification for leaving the track.
Four days later, he 【小题5】 (earn) a silver medal in the 5, 000 m, leaving behind Mohamed Gammon of Tunisia by 【小题6】 (narrow) a meter. In the 1, 500 m, Keno tried to defeat the finishing kick of the favorite, Jim Ryan, by building up a huge lead. His strategy worked and he won 【小题7】 20 m, the 【小题8】 (large) advantage of victory in the history of the event.
In 1972, Keno entered the steeplechase (障碍赛) even though he had little experience in 【小题9】 event. Still, he was able to defeat his teammate Ben Jericho and won another gold medal. Six days after this victory, he added a silver medal in the 1, 500 m, 【小题10】 (win) a good medal.
Keno and his wife, Phyllis, eventually established a children’s home and school for orphaned and abandoned children.