I was pleased to hear from you．．．（……收到你的來信，我非常高興。）

I have just this moment received your letter and I am writing at once because．．．（我此時收到你的來信，便立即寫信，因為……）

Your letter of．．．was duly received（你……的來函已妥收。）

Your letter came to（reached）me this morning．（今晨收到你的來信。）

Many thanks for your last kind letter．（接最近來信，感激之至。）

I am sorry it has taken me a long time to reply to your last letter but．．．（很抱歉，這麼久才回你的上次來信，只是……）

What a surprise it was to get a letter from you．（收到你的來信我感到很吃驚。）

I was very sorry to hear．．．（聽到……感到很不安。）

You will be very glad to hear that．．．（聽到……你會非常高興。）

From your letter I learned that．．．（從你的信中知道……）

With great delight I learned that．．．（我得知……非常高興。）

I often think of you．How have you been recently ？（我常想到你，你近來好嗎？）

Sorry for delaying this letter so long．（這封信耽擱了很久了，真對不起。）

I have the pleasure to tell you that．．．（我高興地告訴你……）

As I have not heard from you for long，I feel anxious．（很久沒收到你的信，我感到很擔心。）