根据短文内容及所给提示，在文中的空白处填写一个正确的单词。

    I'm John. I'm in Grade Eight a Rocky Mountain High School. Every M. I go to the Buddy Club. In the club, older students help new students learn more about the school. My friend Sam is in the (ten) grade. He often listens (careful) to my problems. He always offers (I) some help. He is a hero in my heart.

    We have different (class) every day. On Friday afternoon, our school ends (early) than usual. My friends I often go to the Science Club together. Twice week, we write robot programmes after school. We love making things, so we practice hard each time. Our team (win) two competitions last term. We were very happy.