情况一：问学术问题

Subject: ABC 123:Questions about class material

Dear Dr. [Last Name],

After reviewing the notes from Monday’s ABC123 class, I have some questions that confused me. [List your questions]. Would you please briefly explain this to me? If you do not have time to do so via email, would you be willing to discuss it at the beginning of next class?

Thank you in advance for your help you might provide.

Sincerely,

[Your First Name]

情况二：请病假

Subject: Sorry for missing ABC123 class this afternoon

Dear Dr. [Last Name],

I am sorry to let you know that I will be unable to attend class this evening. I have woken up with a fever and sore throat and am going to the doctor this afternoon.

I would like to meet wit you to catch up everything after I fell better.

Thank you for your understanding.

Sincerely,

[Your First Name]

情况三：预约面谈时间

Subject: Make an appointment with you

Dear Dr. [Last Name],

It is time to register classes for next semester. I would like to meet with you to discuss my study plan for the following semesters. I am available on [tell your professor your available time and date]. Let me know what time works the best for you.

Looking forward to talking with you.

Sincerely,

[Your First Name]