阿摩線上測驗
43. What does “currency” mean here?
(A) The moving body of fluid
(B) The rate of occurrence
(C) The medium for transaction
(D) The way to use curry
(E) A term of chemistry
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統計： A(2), B(21), C(213), D(18), E(2) #889510
統計： A(2), B(21), C(213), D(18), E(2) #889510
