题目内容：

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。

I do something called homeschooling. It’s like going to a regular school, but you get1.（study） what you want to study, and you do your studying at home. But some basic subjects like math, history, and English2.（require）.

My home school friend’s mom and dad are writers. They love everything3.（relate）to reading and writing. Once, I wanted to please my friend’s dad on his birthday by4.（give）him a book which I thought he would love.

I wanted to bring it to a learning session at their home but I forgot it. When my father came to pick me up from class, he brought the book along with him！How thoughtful my dad5.（be）！I got all excited and left the book at my friend’s dad’s work table. What6.lucky chance that my friend’s dad wasn’t in his office at the time！

After that, my friend who I study with came to my house along with me and we played together. When my friend’s7.（parent）came to pick her up, her dad said “I don’t know who left a book, but I’d like to offer my thanks”. As my heart was filled8.joy, my friend’s mom and I winked at each other because she knew about my plan. After that9.（wonder）experience, I think that doing something10.makes other people happy, makes me happy, too！