問題詳情

6. If they fail to use the machine __________, all the advantages would turn to be disadvantages.
(A) unimportantly
(B) mentally
(C) cowardly
(D) adequately

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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