問題詳情

16.For over 2000 years, paper has been used as a major tool of communication; however, e-mail today has become a _______ practice.
(A) common
(B) difficult
(C) last
(D) traditional

參考答案

答案：A
難度：簡單0.790323
統計：A(49),B(2),C(7),D(4),E(0)