Ayşe: Cem, are you ready for the big day next week?
Cem: Oh, yes, Ayşe! I'm so excited for the school play. We are celebrating Children's Day.
Ayşe: Me too! I'm going to sing a song with my class. It's a very special day for all children in Turkey.
Cem: Our teacher said we should wear our national costumes if we have them. It will be fun!
Ayşe ve Cem hangi özel günü kutlamaya hazırlanmaktadır?
A) Republic Day.
B) Teachers' Day.
C) Children's Day.
D) Sports Day.