阿摩線上測驗
12 Although this idea is ______simple, it is a grave challenge to carry it out.
(A) conceptually
(B) detrimentally
(C) routinely
(D)municipally
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統計： A(13), B(5), C(4), D(0), E(0) #2687337
統計： A(13), B(5), C(4), D(0), E(0) #2687337
