26 When performing the boarding and inspection mission, the Coast Guard officers on duty should be in and carry their service certificates.
(A) uniforms
(B) unison
(C) union
(D) unity
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統計: A(130), B(4), C(17), D(14), E(0) #2353446
統計: A(130), B(4), C(17), D(14), E(0) #2353446