問題詳情

44Generally, the time a fire drill takes to evacuate is measured to _____ that it occurs within a reasonablelength of time.
(A)ensure
(B)reward
(C)interpret
(D)swear

參考答案

答案:A
難度:適中0.512821
統計:A(20),B(3),C(8),D(4),E(0)

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