問題詳情

9. All the patients ______ from the hospital by the time the fire enginesarrived.
(A) had evacuated
(B) had been evacuated
(C) were evacuated
(D) evacuated

參考答案

答案:B
難度:適中0.5
統計:A(1),B(1),C(0),D(0),E(0)

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