問題詳情
20. The predominant activities in rural societies are those that involve the production of food and raw materials.
(A) principal
(B) predicable
(C) necessary
(D) routineIT .Grammar 20% (2 points each)_
參考答案
答案：D
難度：非常困難0.181818
統計：A(3),B(1),C(4),D(2),E(0)