假设你是李华你的朋友Peter邀请你参加周五晚上他举办的周末聚会。而你周五正在南京出差，周六晚上才能回来。请你用英语给他写封电子邮件，内容包括：
1.感谢他邀请你参加他的周未聚会；
2.说明你无法参加的原因并表达歉意；
3.表示你出差回来后去拜访他。
注意：1.词数应为100左右；
2.邮件内容须写在答题卡的指定位置上。
参考范文:
Dear Peter,
How is everything going with you?
Thank you so much for inviting me to your weekend party on Fridayevening.However,I'm afraid I won't be able to attend it,because I'mnow on a business trip in Nanjing,and I won't be back until this Saturdayevening.I feel really sorry that I can't join you this time.But I'd like tovisit you when I go back from Nanjing.Please let me know what timesuits you best.
Wish you a good time on Friday and look forward to seeing yousoon!
Yours,
Li Hua
