如何写英文的电子邮件我想要给外教发一封电子邮件请教一些问题，应该
我想要给发一封电子邮件请教一些问题，应该用什么样的称呼，问候语，及格式呢？并且在写信中应注意什么？（我和他并不是很熟），希望您能帮助我拟草一封邮件，谢谢！
Dear Mr. xx,（his last name. if you know him very well, you can put his first name here, but remove Mr.) This is xx, one of your students. I would much appreciate if you could kindly help me, below are some questions I have: xxx your questions Would you please get me back or give me a call at xxx,(your phone #) many thanks. Best regards, your name