16. My vessel is entering into the Panama ______. Which of the following choices is correct?
(A) Canal
(B) River
(C) Quay
(D) Berth
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統計: A(188), B(18), C(6), D(5), E(0) #3457447
統計: A(188), B(18), C(6), D(5), E(0) #3457447