阅读下面的短文，用括号内所给动词的适当形式填空，必要时可加助动词。

     Victor used to be such a good runner that he 1_______ (win) nine awards be the age of 18. Then one

day while he 2_______ (run) along the roadside, an accident suddenly happened to him. Unfortunately both

of his legs 3_______(injure) seriously by a car out of control. Since then, he 4_______ (not be) able to walk

any more.

     After a long time, however, he knew life 5_______ (not stop) for him. He focused on what he could do

instead of what he lost. He realized that there were many possibilities for the disabled. One of the things he

became interested in was foreign languages.

     Every day he listened to tapes and read books. After several years he became fluent in three languages.

Then he 6_______(try) his best to work as a translator in a company. To everybody's surprise, he became

the best one in the city.

     Though Victor wishes he could walk, he is always looking forward to 7_______(live) a wonderful life

in the future. Sometimes he 8_______(miss) being able to walk or run. But now at least he can live on his

own and make himself  9_______(enjoy) what he likes. He thinks there's much 10_______(be) thankful for.