第1个回答 2010-04-21
I am very glad to receive your invitation,but I cannot be able to come on that day.Anyway,congratulations!
第2个回答 2010-04-21
I am glad to get your invitation,but I'm sorry I can't and congratulations !
第3个回答 2010-04-21
I'm very glad to recieve your invitation.
Although I can't come that day, I must congratulate you