写信的信头的地址等资料是写自己的吗?抄送是什么意思底线怎么画最后的名字写你的什么的那里.你们只要知道一个我也很感激你们,或者发图给我,在下磕头了.

信封左上角: 自己的地址中间: 收信人的地址信:知道收信人的名..就写 Dear XXX:不知道就写 To whom it may concern:写完就另一行写sincerely 接着就在sincerely 下面签名. 接着就 print your name

其他的问题我都不明白..sorry i cant help you..

To whom it may concern,You are a idiot, hahahaha haha ha!yours truely Des yyyy/mm/ddThis is private letter, if you need business letter, cover letter, memo etc you gotta dig online.

fooook!they screwed up my leet format, damn baiduwell if u can be more specific as what kind of letter you are going to write, i could help u.