一道初二英语填空题

一道初二英语填空题
阅读下面短文,并借助上下文补充所缺信息.每个空格只能填写一个形式正确、与短文内容意思相符的英语单词.
Mr.Brown is one of my friends.He is good at ().He likes to show people how fast he can run.
One day,a thief took some money from his house and ran out fast.Just then,Mr.Brown () back from work and saw the theif.At once he ran after him,and cried,“Hey!Can you run () than me?”
But when the thief () his words,he was stressed out and ran much faster.Soon the thief was very tired.He had to sit next to the raod with his() low.But when Mr.Brown ran to the thief,he didn't () running.
And then,I met him.“Why are you running so()?”I asked.“I want to catch a thief,”said Mr.Brown.“But where is the thief?”I asked.“He is () behind me,”saidMr.Brown,“He thought he () run faster than me,but can you see who is faster?”
帮我解释一下为什么这么填,如果行的话给我翻译一下这篇文章.
不好意思.打欠一个问题.
But when the thief () his words,he was stressed out and ran much faster.【Mr.Brown got () and ran faster】Soon the thief was very tired.He had to sit next to the raod with his() low.But when Mr.Brown ran to the thief,he didn't () running.