問題詳情

4.Something that is ______ is extremely important or absolutely necessary to a particular subject, situation, or activity.
(A) essential
(B) crispy
(C) household
(D) frequent

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)