The math class in grade eight is much harder than in grade seven.

初二的数学课比初一的难多了。

When I was in Grade Seven, I took part in an English singing competition.

当我在七年级的时候，我参加了一个英语歌唱比赛。

A student in Grade Seven

一名七年级的学生

In Class Five, Grade Seven

在七年级五班

Waht class are you in? I'm in Class Four Grade Seven.

你在哪个班级？我在七年级四班。用英语怎么翻译。

I am presently teaching ESL for grade seven at Maple Leaf junior high school.

目前我在枫叶初中教七年级的ESL课程.