問題詳情

42 Passengers have to go to the assembly station when the emergency alarm is sounded, which consists ofseven short blasts and one______ blast that lasts several seconds.
(A)embraced
(B)inherited
(C)prolonged
(D)smashed 

參考答案

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

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