阿摩線上測驗
13. If the product doesn’t work, the customers are given an option of a refund or a _________.
(A) transaction
(B) redemption
(C) commission
(D) provision
(E) replacement
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統計： A(2), B(16), C(3), D(0), E(48) #2055875
統計： A(2), B(16), C(3), D(0), E(48) #2055875