1.I have received your letter of July Ist.7月1日来信已经收悉。

2.I am glad to receive your letter.非常高兴收到你的来信。

3.It has been a long time since we met.大家很长时间没见面了。

4.I have the pleasure to tell you that……非常高兴对你说……。

5.It is my honor to inform you that ……非常荣幸对你说……。

6.Forgive me for not writing sooner.原谅我没非常快回信。

7.I was glad to hear you good news.非常高兴听到你的消息。

8.I have just this moment received your letter and I am writing at once because…我此时收到你的来信，便立即写信，由于……。

9.From your letter I learned that……从你的信中了解……。

10.I am very much delighted to receive your letter.特别高兴收到你的来信。