我在四年八班 Eight years ; I'm four years eight

我在八年级三班 My eight grade class three

我在高一八班 Eight high school

我在七年级八班 Eight in the seventh grade ; I was in grade eight

我在八年级一班 I am in class eight grades and

我在四年级八班 Eight in the fourth grade

我在七年八班 Eight years

我在七年级八班上课 Eight classes in seventh grade