听录音，天空完成下面的短文：
It's Sunday. I go to the hospital. I have a ________. So I go and see the _______. On the way home, I see a little dog. He's so small. He's even _______ than a cat. He looks very _______. I think he can't find his home. So I take him home. I like him very much. I play with him. I'm so _______.