求英文翻译！急需，谢谢！（老师是外教） 老师，您好。您能帮我个忙么？我每节课都来上课的，考试也参加了

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hello, Sir, could you giveme a hand. I am in favour of your courses and never absent from your any courses including examination
Dear Dr XX(你导师的姓),
Could you please do me a favour? I never missed any class or exam,so... (加上你写这封邮件的目的)
您想请老师具体帮什么忙？

如何是信件 ：
Dear Ms __/ Mr__
I've been attending your classes since the beginning of this semester.Also, I took the final exam . But I was wondering if u could help me out . because____

looking forward to your reply
sincerely ___

如果是日常交流 :

Good morning Ms___ / Mr___ , how 's it going? I come for asking you a favor. I've been attending your classes since the beginning of this semester.Also, I took the final exam . But I was wondering if u could help me out . because____

希望能对您有所帮助！～