阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Tooth Fairy Day
In many cultures around the world, 1 (vary) traditions around the tooth fairy are celebrated! The tooth fairy herself or himself 2 (be) around since at least the Middle Ages, although the exact origins are still 3 (know). In any case, this is certainly an iconic childhood symbol that brings joy and smiles to children all over the world.
4 (fall) on February 28th, Tooth Fairy Day is a time 5 is designed to pay respect to this generous spirit to leave treats or coins underneath children’s pillows. Devoted to oral health for children, it also helps balance children’s fear of the pain of tooth-losing 6 the joy of collecting wealth.
For kids who want to celebrate Tooth Fairy Day, making a craft or enjoying a tooth-related activity can be loads of 7 (funny). Some dentists’ offices sponsor a coloring page contest that kids can participate in. Parents might like to help their kids to make their own tooth pillow or bag, a tiny fabric envelope which serves as a place to keep loose teeth 8 they don’t get lost while waiting for the tooth fairy. Other parents or teachers might like to use this as 9 educational opportunity to help their kids learn some interesting facts about teeth that will keep them 10 (motivate) to brush and care for their teeth in a responsible and healthy manner.