He is the trainer of my class.

他是我们班的导师。

youdao

I recently gave my class a task.

我最近给我的班级布置了一个任务。

youdao

My class has fifty pupils.

我班有五十个学生。

youdao

I got a room and waited for the start of my class.

VOA: special.2010.01.30

A To make an A paper in my class, A to make an A on a paper, not only does the paper have to have the right answers and fulfill the assignment, it has to be written elegantly and excellently.

在我的课上要拿，论文得，不仅内容回答要正确,符合要求，而且必须文笔优美。

耶鲁公开课 - 新约课程节选

And so we knew each other from one of my classes at thermal dynamics class

我们是在热动力学课上互相认识的。

重建社团小组 - SpeakingMax英语口语达人

In my class, in 2000, for example, six of us took seats held by Republicans.

NPR: Blue Dogs Democrats Have a Centrist Agenda

"Ten of them were in my class last year, " she told CNN's Anderson Cooper on Sunday.

CNN: Connecticut teachers were heroes in the face of death

The economy sputtered as my class entered the job market in the late 1970s.

FORBES: Digital Rules