問題詳情

30. A drill will be held to let the passengers _____ with their assembly station, with their lifesavingequipment and with emergency procedures.
(A) familiar themselves
(B) familiarity themselves
(C) family themselves
(D) familiarize themselves

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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