阿摩線上測驗
50.________ allowing people to buy single shoes, once a season the single shoes bank gives unwanted single shoes to members for free.
(A) Before
(B) On the contrary
(C) By taking chance
(D) In addition to
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統計： A(13), B(19), C(26), D(45), E(0) #664965
統計： A(13), B(19), C(26), D(45), E(0) #664965
