社交书信包括的内容很多，如邀请信、推荐信、介绍信、证明信、贺信、感谢信等等。下面是小编为大家收集关于英文社交书信格式怎样写，欢迎借鉴参考。
Dear John:
Thank you very much for the nice birthday present you have sent me! I have been longing for a dictionary for a long time. It will surly be very helpful to my study.
It's very nice of you to remember my birthday. I'll make good use of the dictionary and I'll think of you with gratitude and affection every time I use it.
Love,
Sally
Dear Mr. Clark:
We are wondering if you and Mrs. Clark want to have supper with us on Friday, January 21st at seven o'clock?
James and I are looking forward with great pleasure to seeing you and Mrs.Clark. We do hope you can come.
Sincerely yours,
Lucy Wheeler
Euston UK LTD
81?85 BARNLEY ROAD
DUNDEE
28th September, 1996
Ref: PVH/ltj
Jason & Son Ltd.
Parkside Manor
Burnside
Dumfries
Dear sir：
Thank you for your letter of 20 September, requesting a reference for Clairish Computers Ltd. The answers to your questions are as follows:
1. We have employed Clairish Computers Ltd. since January 1995.
2. Clairish Computers has helped our company rectify a new computer system that had been badly installed by another firm of consultants. It has drawn up a system specification for a replacement system and has chosen appropriate hardware.
3. We did not select Clairish Computers from several candidates.
4. We were not first time computer users.
5. Our first system is working satisfactorily. The replacement system is still too new to comment on.
6. We are satisfied with the work of Clairish Computers. The various stages were completed on time, and the charges agreed with the quotes.
7. There was continuity of staff at Clairish Computers. Ian Baird managed the work, which was carried out by Alex Johnston and James MacReady.
8. The staff training was effectively carried out.
Yours faithfully,
Peter Haddon, Director
Doctor’s Certificate
Oct. 18, 2000
This is to certify that the patient, Mr. Thomas, male, aged 41, was admitted into our hospital on Oct. 9, 2000, for suffering from acute appendicitis. After immediate operation and ten days of treatment, he has got complete recovery and will be discharged on Dec.19, 2000. It is suggested that he rest for one week at home before resuming his work.
Jack Hopkins
Surgeon?in?charge
Certificate
(80)Lu Zi, No. 2140
This is to certificate that Mr. Zhao Dong holds a diploma issued to him in July, 1980 by Liaoning University (Diploma No. 058) and that we have carefully checked the seal of the university and the signature by President Zhou Yongrong.
Jinan Notary Public Office
Liaoning Province
The People?s Republic of China
Notary: Fang Hongjian
May 2, 2001
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