問題詳情

29 In some airports, there is the final call announcement, but in others, they only have ____ signals on the signboard. Passengers are responsible for their own arriving at the boarding gate in time.
(A) image
(B) blinking
(C) faulty
(D) traffic

參考答案

答案:B
難度:適中0.583333
統計:A(4),B(14),C(1),D(4),E(0)

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