Frank邀请Ａlice参加他这周日的生日宴会，但Alice的父母不在家要到下

Frank邀请Ａlice参加他这周日的生日宴会，但Alice的父母不在家要到下个月回来，奶奶又卧病在床，需要人照顾。因此，无法前去参加生日宴会。Alice感到很抱歉，只好写信辞谢。
Dear Frank,
    Thank you very much________________________________________________________
______________________________________________________________________________

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 I hope you can have a good time.
                                                                  From Alice

       Dear Frank，

Thank you very much for inviting me to your birthday party. I'd love to go，but I can't. My parents are out . They are coming back next month. And now I have to look after my grandma because she is ill in bed. I'm very sorry but I can't go to your party.  I hope you can have a good time.

                                                             From Alice