It is so great to hear from you again. It is a great pleasure for me to
With great delight I learned that
I must apologize for not writing to you sooner.
建议：In my experience, it seems that _______ would make sense in your situation
In my opinion, it would be wise for you to take the following actions:
感谢：I truly appreciate your kindness. Thank you from the bottom of my heart for
道歉：I apologize most sincerely for
I am so sorry to have put you through so much trouble
邀请：We would be honored to have you there with us
I will cover all the expense involved.
抱怨：I very much regret to have to inform you that
We will appreciate your willingness to make up for the loss
I hope that the above situation will be improved as soon as possible
咨询：I would like to request some information about
Should I need to send further materials, please let me know.
求职：In anwser to your advertisement a post as
in your office. I hope I may be granted an interview