18．
Read the passage and fill in the blanks with proper words（在短文的空格内填入适当的词，使其内容通顺，每空格一词，首字母已给）
Jeff Keith has only one leg．When he was 12years old，Jeff had cancer （癌）．Doctors had to cut off most of his right leg to s（69）ave his life．Every day Jeff puts on an artificial leg （假肢）．
W（70）ith the artificial leg，Jeff can ride a bicycle，swim and play soccer．He can also run．
When he was 22years old，Jeff ran across the United States from the east to the west．He started running in Boston．Seven months later，he s（71）tarted running in Los Angeles．He ran 3，200miles in all（总计）．Jeff wore out （穿破） 36pairs of running shoes and five artificial legs．
On his way，in every city people g（72）aveJeff money．The money which Jeff got was not for Jeff h（73）imself It was for the American Cancer Society．The Society used the money to learn more about cancer．At the same time，Jeff talked to people about cancer．
Jeff is disabled （残疾的），b（74）uthe can do many things．He finished university（大学） and now he is studying to be a lawyer．Jeff says，"People can do a（75）nything they want to do．I want people to know that．I ran not only for disabled people but also for everybody"
