informal letter accepting an invitation
dear mr. lee,
thank you for your kind invitation to the dinner you and mrs. lee are giving next saturday for your brother. i shall be very happy indeed to come, and look forward with pleasure to meeting your brother.
yours sincerely
李先生：
感谢您邀请我参加您和夫人下周六为您兄弟举行的晚宴。我将很高兴出席，并愉快地期待着见到您的兄弟。
formal letter accepting an invitation
mr. and mrs. john smith
accept with pleasurethe kind invitation of mr. and mrs. andrew k.k. wang to a dinner
at eight oclock the fifth of july
new asia hotel
100 deep water bay road
hong kong
约翰史密斯夫妇欣然接受王楷康先生和夫人的邀请，参加于七月五日晚八时在香港深水湾道100 号新亚洲大酒店举行的晚宴。