37 In the international arena, Customs plays an important monitoring role in checking the borders for
contraband, smuggling and such other non-tax______ activities.
(A)legal
(B)normal
(C)routine
(D)criminal
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統計: A(12), B(11), C(8), D(173), E(0) #2013463
統計: A(12), B(11), C(8), D(173), E(0) #2013463