14.
(A) where they showcase art pieces they produce
(B) it is a time when they can sing and dance freely
(C) as an event for people to enjoy themselves
(D) showcase their vibrant dances and songs
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統計: A(10), B(26), C(33), D(51), E(0) #3315108
統計: A(10), B(26), C(33), D(51), E(0) #3315108