例句：
Wang Zixuan, a student from Grade Eight, with little knowledge of painting, painted a beautiful night scenery on a piece of pottery.
王子軒是一個八年級的學生，他幾乎不瞭解繪畫知識，但卻在一塊陶器上畫了一幅美麗的夜景。
I am a student in Grade Eight.
我是八年級學生。
I teach grade seven and grade eight 's biology now.
現在，我教七年級和八年級的生物。