阿摩線上測驗
48 Small vessels can approach via rocky shorelines or the edge of _____, using high tide to come ashore.
(A) blackwaters
(B) breakwaters
(C) whitewaters
(D) underwaters
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統計： A(1), B(2), C(0), D(3), E(0) #3930891
統計： A(1), B(2), C(0), D(3), E(0) #3930891
