At karate practice today, I bought a new ankle brace.
My old one was worn out and falling apart.
The new one fits my foot perfectly.
My foot is much happier, now.
We had our last math test before summer in second period today.
It was too easy, so I was bored.
But I wasn't careful, so I missed a problem.
I was sad.
[Grammar and vocabulary notes -- 文法及び単語の解釈
- wear == 着古すから引いて、擦り切る（すりきる）、傷む（いたむ）