阿摩線上測驗
40 During wartime, some national Coast Guard organizations might have responsibilities in ______ defenses, port
security, naval counter-intelligence and coastal patrols.
(A) lake
(B) harbor
(C) river
(D) anchor
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統計： A(18), B(188), C(38), D(35), E(0) #1200246
統計： A(18), B(188), C(38), D(35), E(0) #1200246
