题目内容：

阅读短文，从方框中选择适当的单词填空（每词限用一次）。

  An old woman had a cat. The cat was very old. She could not run quickly, 1._____ she could not bite. One day the old cat saw a mouse. She jumped and caught the mouse. But she could not bite it, so the mouse got out of her mouth and ran2._________.

Then the old woman became very 3.______because the cat had not killed the mouse. She began to hit the cat. The cat said, "Don’t hit your old 4.______. I have worked for you for many years, and I would work for you still, but I am too old. Do not be unkind 5.______ the old, but remember what good work the old did when they were young."