阅读下面短文，并借助上下文补充所缺信息。每空只能填写一个形式正确、意义相符的单词。

    There was an old man. He lived in small village. He had an old cat. The cat was too old, she couldn't bite (咬).

    One day, when (当-时) she saw a mouse, she jumped and caught , but she could not bite it. The mouse got out of her mouth and ran. Then the man got very angry and began to beat (打) the cat. The cat said, "Don't beat your old servant (仆人). I know I'm old and can't kill a . But I have worked for you for many years, and I still want to for you. Please remember what good work I did when I was . I think you should be kind the old." When the man that, he knew he was wrong and said to the old cat.