阿摩線上測驗
14 Customs duty shall be collected by Customs ___________ on ad valorem basis or on a specific basis in accordance
with the Customs Import Tariff.
(A) neither
(B) whether
(C) either
(D) both
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統計： A(5), B(12), C(156), D(5), E(0) #1809848
統計： A(5), B(12), C(156), D(5), E(0) #1809848
