1、I am glad to receive your letter.很高兴收到你的来信。

2、It has been a long time since we met.我们很久没见面了。

3、I am looking forward to receiving your letter.我期待着你的来信。

4、Time past cannot be called back again。光阴—去不复返。

5、obviously,If we want to do something,it is essentialthat……显然，如果我们想做某事，很重要的是……

6、Further,we hold opinion that……此外，我们坚持认为……

7、How are you getting along these days?I miyou verymuch.你近来过得如何？我十分想念你。

8、Good luck/Best wishes.祝你好运。

9、You asked me about+problem,now let me give you someadvice.你在来信中询问我，现在让我给你一些建议。

10、Please wirte to me as soon as possible.请尽快回信。