I am in Class one, Grade five.

我很高。我在五一班读书。

youdao

I am in Class Eight with Lily and Lucy.

我和丽丽，露西在八班。

youdao

I am in Class seven.

我已经上七年级了。

youdao

She said,"Am I losing it?" Emma Cleveland was teaching a class in mathematics at a college.

VOA: special.2009.10.25

So people are becoming more and more aware We gonna talk about this and other issues in the class I am looking forward to having conversation with you See you then.

我们能由此看出，人们变得越来越明智了,我们将在课堂上讨论这个以及其他的话题,我很期待与你们的交流,再见。

麻省理工公开课 - 媒体、教育、市场课程节选

And it's like, I am pretty sure I'm in an acting class with like 30 kids next year,

它就像，我很确定我在的那个表演班明年会招大约三十个新生。

和话剧专业的朋友 - SpeakingMax英语口语达人

Or I support her taking extra time to go to her yoga class when I am in town.

FORBES: The Good Enough Guide To Work-Life Balance

Several years ago, I enrolled in a leadership class that challenged me to find out who I am, what drives me to succeed, and what might bring balance and fulfillment to my life.

WHITEHOUSE: Saving Lives On and Off the Job

They may chunter on about DVT affecting people in Business and 1st class, but I am quite sure that the true figures would show that economy class passengers suffering or dying from DVT are infinitely more numerous than others.

BBC: News Online