阿摩線上測驗
63 Unfortunately the item you ordered is out of stock, but we can offer you a ______.
(A) discount
(B) refund
(C) option
(D) substitute
答案：登入後查看
統計： A(6), B(2), C(2), D(33), E(0) #2670857
統計： A(6), B(2), C(2), D(33), E(0) #2670857
