俊之独秀
Dear Mr.Professor( ),I found a company for a 3 months internship opportunity at the last term of my senior year.So I will have to ask for leave in your class on Monday,Wednesday and Friday on condition that I have to take part in the final test,finish the group discussion and voice my opinion.Expecting your allowance.Thank you very much.注：邮件和信件差不多，开头得有一个这样的称呼，具体是professor谁，你自己加上给去就可以了。希望对你有帮助。
红泥娃娃
at the last term of year 12(senior), I've found an internship, it's long as 3 months. As a result, I cannot attend the your lessons on Monday, Wednesday and Friday, but I promise that I will attend the middle term exam and final exam,plus I will do all of my group assignment(assessment) in time. Sorry for not attending. Hope it's okay for you, Professor, thank you.
玉皇小帝
我将感激不尽：I would be grateful我将感激不尽用英语怎么说：I would be grateful how to say in English呵呵！！！见笑了O(∩_∩)O
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