問題詳情

38 Scientists have been searching for better, faster and cleaner ______sources of energy in order to create betterlives and help solve the pollution problem.
(A) allusive
(B) allocative
(C) alternative
(D) allergic

參考答案

答案:C
難度:簡單0.8
統計:A(2),B(1),C(16),D(1),E(0)

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