問題詳情

4 adv. side by side; in alignment; on top of; up-to-date; well-informed
(A) gradually
(B) abreast
(C) ostensibly
(D) smoothly

參考答案

答案：B
難度：適中0.5
統計：A(1),B(3),C(1),D(0),E(0)