阿摩線上測驗
42. Apple had designed pop-up messages to _______ users from making purchases outside the App Store.
(A) dissolve
(B) discourage
(C) delete
(D) disconnect
答案：登入後查看
統計： A(26), B(74), C(3), D(16), E(0) #3446520
統計： A(26), B(74), C(3), D(16), E(0) #3446520
