Eight-year-old Christian grew out his blond hair for over two years, and he would donate（捐赠） it to a charity. Why？

One day, he and his mother watched a program on the iPad. They noticed some sick children lost their hair because of medical reasons. People     1     wigs（假发）to them.

"Then I want to do that," said Christian．

It surprised his mother. But she knew he would hardly change his mind and would really follow the     2    . With his mom's agreement, Christian began growing out his blond hair．

However, as his hair grew longer and     3    , some jokes started. Sometimes his     4    would laugh at him. "You look like a girl," they said. His mother was used to     5    "Your 'daughter' is so pretty" when she was out with Christian. Sometimes, these words made Christian upset, but his mother always tried to    6    him up．

The big haircut day    7    came last Wednesday. The family came to Christian's room and his mom cut his hair．And then it     8     to the charity.     9    Christian, he said it felt good to have short hair again. Somewhere,     10    child would be feeling good, too, because of Christian．