阿摩線上測驗
22 It is common that, with economic development, the role of customs duty in revenue ______declines.
(A)generation
(B) erosion
(C)leakage
(D)expenditure
答案：登入後查看
統計： A(141), B(9), C(24), D(16), E(0) #2013448
統計： A(141), B(9), C(24), D(16), E(0) #2013448
