問題詳情

6 The recruited volunteers have to receive 80 hours of_____ training before they are allowed to becomemembers of rescue teams.
(A) disposable
(B) mandatory
(C) prodigal
(D) vicious

參考答案

答案:B
難度:適中0.573529
統計:A(4),B(39),C(7),D(10),E(0)

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