Many thanks for your letterof inbitation,but much to my regret, I will not be able to honour it because I have been suffering from an old disease since this summer.
我十分感谢您的邀请信，但十分抱歉的是，我不能出行，因为从今年夏天开始，我的老毛病犯了。
2
I. Write a love Letter expressing your feelings of anger, sadness, fear, regret, and love.
写一封表达你的气愤、伤心、害怕、后悔和爱的感觉的情书。
3
In reply to your letterof August 8, we regret to say that our clients find your price too high.