阅读下面的短文，在空白处填入适当的单词或用括号内单词的正确形式填空。（每空不超过三个词）
Jason practiced a new song on the piano. His father sat in the room, reading a book. Suddenly Jason stopped and said to his father, "I don't think I can learn it, the song No More Blues is too difficult for me. "
Jason's father closed his book and said, "The word ‘blue' means unhappy, so your song wants to tell us (be) happy. Maybe you need a break from practice. Let's take a walk. It's such a (sun) day. "
Jason and his father began to walk down the street. They turned into a park near their home. It was a cold autumn day, and the (leaf) on the trees began to turn yellow. A cool wind blew against Jason's face.
hour later, Jason and his father returned to the house. Jason sat down at the piano again to play. His fingers (手指) moved (easy) over the keys. And the music filled the room. "I don't understand why it is easier for (I) to play the same song now. "
"How did you feel the walk?" Jason's father asked.
"Terrible," Jason said with a frown (皱眉).
"And how do you feel now after (take) a walk?" Jason's father went on.
"Great!" Jason answered, then he (smile). "Taking a walk helped me stop being unhappy. Just like the song, I have no more blues! I think I'll play the song again. "
