.问候语:1. Thank you for your kind letter.(谢谢你的友好来信。)2. I was pleased to hear from you.I was so pleased to receive your letter.I was delighted to receive your letter.How nice to hear from you again.(收到你的来信,我非常高兴。)3. I have learned with delight that.Im pleased to hear that(我高兴地得知)4. I am writing to you tell that Let me tell you something about(让我来告诉你一些关于.的事情。)5.Im writing to thank you for your help.(我写信来感谢你对我的帮助。)致谢语:1. With best wishes.All my be