阅读下面短文, 根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词, 在给出提示词的空白处用括号内所给词的正确形式填空。Tanni was born with an illness,{#blank#}1{#/blank#} made her unable to move her muscles normally. Tanni was interested{#blank#}2{#/blank#} sports, but when she was growing up she didn't see many disabled athletes on television. Then several years later, while watching the London wheelchair marathon, she saw an athlete she knew. She dreamed that she would be on the starting line, competing in the marathon too. Finally, her dream{#blank#}3{#/blank#} (come) true. She was not only on the starting line, but also the winner at the finish line. Tanni believes you'll never know{#blank#}4{#/blank#} you can do unless you try.
