Choose the best answer and complete the passage. There was once a bad king. All his people hated him very much. One day in a summer he was swimming by himself in a river. The king was a （1） swimmer, but when he was in the middle of the river, suddenly he didn't feel well. He cried out "Help! Help!" At that time two farmers were working in the field near the （2） . They ran over, jumped into the water and saved the king. They didn't know that he was the king （3） they pulled(拉) him out of the water. The king was very happy, so he said to the farmers, "You have saved my life. Now you may ask for anything, and I'll give it to you." One of the farmers said, "My son broke his （4） last week, and he can't walk. I'm very sad, you know. Please send him a good （5） . "The king agreed. Then he said to the other farmer." And what can I do for you, old man?" The old man was very clever. He thought for a few minutes and then he answered, "You can do a very important thing for me," "What's that?" asked the king. He thought that the old man would ask for some （6） or something else. "Don't tell anybody that we have saved you," the old farmer answered.（1）A．badB．niceC．oldD．friendly（2）A．lakeB．seaC．riverD．house（3）A．afterB．ifC．beforeD．unless（4）A．handsB．eyesC．headD．legs（5）A．doctorB．driverC．dentistD．policeman（6）A．foodB．informationC．adviceD．money