That's strange that you have philanthropy day after skit day...at my school it was orientation, day 1 (info/ spirit/ brag day), philanthropy day, skit day, pref and bid day....
So does that mean that you go to parties tomorrow and then Saturday is pref already? How many chapters can you pref at your school, 2 or 3?
So glad you got your invites. Things sound really promising for you! (here, I will do a happy dance too ***

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dzsaigirl