听录音,填空。 One day, a 1. was stuck. It yelled, 'Help! Help!' Along came a 2. . He pulled the rabbit's ears. But the rabbit didn't come out. Then came a 3. . It pulled the farmer. A 4. came. It pulled the cow. Then a 5. came. It pulled the horse. A 6. came. It pulled the pig. Then came a 7. . It pulled the duck. This time, the rabbit came out. They were very happy. And from then on the rabbit's ears are very long.