How is everything?一切都好吗?
I hope everything is all right.我希望(你)一切都好。
How are you?你好吗?
How are you getting along these days? I miyou very much.你近来过得如何?我十分想念你。
I was very happy to receive your letter of October 10th.我很高兴收到你10月10日的来信。
Thank you for writing to me.谢谢你给我写信。
Your letter came into my hand yesterday.我是昨天收到你的来信的。
It's a long time since I got your last letter.我收到你的信已经很长一段时间了。
I'm sorry I took so long to reply.很报歉给你回信晚了。
I have been so busy recently that I could hardly find any time to write.我最近挺忙，未能抽出时间给你写信。
Many thanks for the wonderful present you sent me.谢谢你寄给我那么好的礼物。
I'm so sorry for not having written to you for such a long time.十分报歉，很久没有给你写信了。
