19. Eco Unite is a non-profit organization ______ to educating the public about environmental issues.
(A) deferred
(B) proposed
(C) dedicated
(D) observed
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統計: A(1), B(13), C(22), D(5), E(0) #3492427
統計: A(1), B(13), C(22), D(5), E(0) #3492427