阿摩線上測驗
46 Coast Guard is usually designated as the maritime and SAR Coordinator for the waters.
(A)bordercrossing
(B)aeronautical
(C)mountain
(D)international.
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統計： A(33), B(51), C(7), D(21), E(0) #2019483
統計： A(33), B(51), C(7), D(21), E(0) #2019483
