問題詳情

32.There was a of the main engine 0900 local time.
(A)delay, on
(B)blackout, at
(C)stabilization, on
(D) breakdown, at

參考答案

答案:D
難度:簡單0.857143
統計:A(0),B(1),C(0),D(6),E(0)

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