阅读短文，从方框中选出适当的词，并用其适当形式填空。有的需要加助动词或不定式符号。（每词限用一次）

Do you know how the song Happy Birthday was invented? A poor girl was invited to her friends birthday party. She 小题1:   happy but a little sad because she didn't have enough money小题2:     a gift. "The party is in a few days. What shall I do?" The night before the party, her grandma said, "Don't worry, I think I can help you. How about singing a song? Happy birthday to......" What a beautiful song! Suddenly she 小题3:  up. It was a  dream! She decided小题4:  it down at once and sing it to her friend at the party. When she sang the song at the party the next day, her friend was very happy. "Thank you for小题5: me such a special gift." Then all of the kids learned to sing it together.

E-R图提供了表示实体型、属性和联系的方法，其中【 】上具有0个或多个属性。