阿摩線上測驗
40. Being able to ________ a valid argument from a false one is an important skill.
(A) concern
(B) discern
(C) debate
(D) return
答案：登入後查看
統計： A(17), B(27), C(19), D(2), E(0) #1469457
統計： A(17), B(27), C(19), D(2), E(0) #1469457
