1、 接受邀请的复信中应重复写上邀请信中的某些内容，如邀请年、月、日，星期几、几点钟等，如 “I’ll be delighted to attend your luncheon next Friday, May the fifth, at twelve o’clock”。
2、邀请信的复信中应明确表明接受邀请还是不接受邀请，不能含乎其词，如不能写 “I’ll come if I’m in town”。这类的话，以使得对方无法作出安排。在接受邀请的复信中，应对受到邀请表示高兴。谢却的复信中应阐明不能应邀的原由。
3、 接受与不相识的人共进午餐 Accepting an invitation to luncheon with strangers
Dear [Wang Hua]:
I’ll be delighted to come to your luncheon on [Tuesday, April the sixth], at [on] o’clock.
[Bob] has often spoken me of [Wang Hui], and has told me how very much he enjoys having him for a [roommate /teammate]. Although I have never met [Wang Hui], I know him from hearing so much about him.
I assure you it will be a very great pleasure indeed to meet [Wang Hui’s mother]! Thank you so much for asking me.
Truly Yours