問題詳情

31. ______ mobile payments have many benefits, the public are still concerned about security issues. (本題為複選題)
(A) Although
(B) In spite of
(C) Even though
(D) By means of

參考答案

答案:A,C
難度:非常困難0
統計:A(7),B(3),C(6),D(0),E(0)

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