阿摩線上測驗
31. MAYDAY was transmitted and _____ by coast radio station.
(A) acquired
(B) accept
(C) acception
(D) acknowledged
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統計： A(106), B(83), C(64), D(383), E(0) #1854522
統計： A(106), B(83), C(64), D(383), E(0) #1854522
