题目内容：

下面短文中的画线部分是错误的，请改正，但不得改变原文意思，并将正确答案写在右边相应题号的横线上。

I’m John. I’m at Grade Eight, Rocky Mountain High School. Every     81. 1.

Monday, I go to the Buddy Club. In a club, older students help new      82. 2.

students learn more about the school. My friend Sam is in the nine grade.    83. 3.

He often listens careful to my problems. He always offers                 84. 4.

I some help. He’s a hero in my heart.                               85. 5.

We have different class every day. On Friday afternoon, our school         86. 6.

ends early than usual. My friends and I often go to the Science Club        87. 7.

together two times a week, we write robot programmes after school.        88. 8.

We love making things because we practice hard each time.               89. 9.

Our team win two competitions last term. We were very happy．          90. 10.