英文请给我补发

the other parts will give you later

(日期) The Registrar （学校名） （学校地址） Dear Sir/ Madam: I am a graduate of a degree in （专业) with the class of (毕业年份） under the College of （系）. I have lost my briefcase that contains my credentials including my Transcript of Record and Diploma from the school. Therefore, I am requesting copies of my diploma. I hope to get an immediate response to my request. Thank you very much. Respectfully, (姓名 )(学生号） (专业)

一般学校不会补发毕业证的，但是会开一张证明信，证明你毕业了。你学校可能有这个方面的申请，只要填一个就好了。建议你直接到学校的网站看看。比竟，每个学校都是不一样的。