阿摩線上測驗
23. Boatswain, carpenter, able seamen and ordinary sailors are the deck ______.
(A) helmsmen
(B) petty officers
(C) cadets
(D) ratings
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統計： A(170), B(32), C(49), D(250), E(0) #3246828
統計： A(170), B(32), C(49), D(250), E(0) #3246828
