英语书信作文格式

Firemen have extinguished a blaze caused by a serious gas leak Friday in Shenyang.
No casualties were reported,but the fire cut power supplies to more than 2,000 households in the region,the local government said.
The accident took place at around 8:00 a.m.on Nanwuma Road,a major traffic artery close to Dongbei University,one of the most renowned schools in the capital of northeast China's Liaoning Province.
An underground gas pipeline was accidentally broken during road works and caught fire,said Tong Yongxue,a publicity official with the municipal government.
Tong said the construction company would be held accountable for the accident because it had started digging before identifying the location of underground pipelines.
Flames soared more than 10 meters and destroyed high tension wires before the fire was put out at around 10:30.But the accident caused a blackout in the region and closing down restaurants,stores and banks.

英文书信的构成可分为8个部分：

信头(Heading), 日期(Date), 收信人姓名及地址(Inside Name and Address), 称呼(Salutation), 信文(Body of the letter), 结束语(Complimentary close), 署名(Signature), 附言。

Mr.XXX XXXXX
Add: xxx xxxxxxx xxx

xxxxxx
Tel: xxx xxxxxxxxx

Dear Sir/Madam,

xxxxxxxxxxxxxx(正文内容)

Yours truly,

Li Hua

注：写信人百的落款要放度在靠左对齐。收信人地址版姓名要放在右权上。