题目内容：

There once were a goat and a donkey 1. (live) on a farm. The donkey worked the hardest so the farmer 2. (feed) it the most food. Sometimes the donkey was given more food 3. it could eat. This made the goat so jealous4. it began plotting against（谋划对付）the donkey. "Hey, donkey," the goat said one day. "I think you do too much work on this farm. You carry such heavy things from morning to night. Why don't you pretend 5.（get）sick so you can take a day 6.?'' The donkey thought the goat had a great idea. So the next morning, the donkey lay in the stable（畜栏）on its side with its eyes 7.（close）.8. ( immediate ), the farmer called the doctor. After looking at the donkey, the doctor said it needed a special 9. ( medical ) made from the heart of a goat. So the farmer killed 10.goat and gave the donkey medicine made from its heart.