邀请信
You want to invite some friends to a party. Writer an invitation letter to them individually, elaborating on the reason why such a party should be held, and what activities will be arranged for them.

Dear Xiaobo,

称呼：写给关系亲密的个人

I will hold a dinner party at my house on Feb. 1, 2010 to celebrate Mr. Liu Li”s marriage with Miss Zhang Hai.
As you are a close friend of ours, we would very much like you to participate in the celebration and share our joy.
第一句交代写作背景：活动的时间、地点、内容
（积累：hold a dinner party; celebrate…）

第二句是全文的中心句，交代了写作目的：邀请收信人参加晚会。
（积累：participate in; share joy）

The occasion will start at seven o”clock in the evening, with the showing of their wedding ceremony.
This will be followed by a dinner party.
At around ten, we will hold a small musical soiree, at which a band will perform some works by Bach and Strauss.
本段分三句话,按照时间顺序介绍了该晚会的活动安排。
（积累：wedding ceremony; hold a musical soiree ）

If you do not have any prior appointment on Feb. 1, we look forward to the pleasure of your company.

本段再次表示诚挚的邀请。
（积累：prior; look forward to）

Yours sincerely,
Li Ming
信件结尾和署名