31.
(A) make good decisions in different situations
(B) visit different cities around the world
(C) live environmentally friendly lives
(D) develop irresponsible leadership skills
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統計: A(292), B(18), C(15), D(72), E(0) #3637874
統計: A(292), B(18), C(15), D(72), E(0) #3637874