听材料，回答问题。 1. Whose house did the hole lead to? A. A mouse's B. The little mouse's C. The snake's 2. What were the snakes doing? A. They were sleeping. B. They were chatting C. They were eating. 3. How did the little mouse's mother feel? A. She felt sleepy. B. She felt afraid of the snakes C. She wasn't afraid of the snakes. 4. When did the story take place? A. On a winter afternoon B. On an autumn morning C. On a winter morning 5. What can we learn from the story?       . A. Snakes never eat mice. B. Snakes usually sleep in winter. C. Mice like to live next to snakes