問題詳情

【題組】12. The __________ of our knowledge are expanding day by day.
(A) briefcases
(B) butchers
(C) boundaries
(D) braids

參考答案

答案：A[無官方正解]
難度：困難0.307692
統計：A(4),B(0),C(6),D(2),E(0)