阿摩線上測驗
15 Janet uses her______ flyer miles to get a free flight from Tokyo to Taipei.
(A) constant
(B) frequent
(C) intensive
(D) potential
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統計： A(31), B(137), C(28), D(18), E(0) #2294663
統計： A(31), B(137), C(28), D(18), E(0) #2294663
