問題詳情

31. Immigrants need to become _____ in their jobs; otherwise, their economicfuture will be in jeopardy.
(A) available
(B) incidental
(C) proficient
(D) segregated

參考答案

答案：C
難度：適中0.473684
統計：A(4),B(1),C(9),D(1),E(0)