Dear______,
①Therewillbea______（内容）at/in______（地点）on______（时间）.②Wewouldbehonoredtohaveyoutherewithus.
③Theoccasionwillstartat______（具体时间）.④Thiswillbefollowedbya______（进一步的安排）.⑤Ataround______（时间）,______（另一个安排）.
⑥Ireallyhopeyoucanmakeit.⑦RSVPbefore______（通知你的最后期限）.
Yourssincerely,
LiMing