Along time ago, there was an emperor. He had a beautiful 1 . In the garden, there was a little nightingale( 夜莺 ) singing very beautifully. One day, the emperor heard about this little bird's beautiful 2 . He asked his guards to bring her to him. When the emperor heard the nightingale's voice, he said, “Put her 3 a golden cage, so she can stay and sing for me whenever I want to hear her.” The little bird was so unhappy about being kept in the cage that she stopped 4 one day. The emperor was very angry. He ordered the scientists in his palace to make a robot bird for him. The bird could sing very beautifully, 5 . The emperor was pleased. Soon the robot bird broke down. It no longer sang beautiful songs. Just at that time, the emperor was ill and he became very weak. One morning, while 6 in bed, the emperor wanted it to sing once 7 . But the robot bird 8 sing any more. Suddenly, the nightingale landed on the window. She began to sing her most beautiful song. The emperor was very happy! He became 9 each day. After the emperor was well, he changed a lot and became kind 10 his people. From then on, all his people cherished( 爱戴 ) him for his love and kindness.