問題詳情
127. The Manufacturing industry ________ over the past thirty years, causing the manufacturing employment as a proportion of total employment fell by 17 percent.
(A) was revolutionized
(B) has revolutionized
(C) revolutionized
(D) had revolutionized
參考答案
答案：B
難度：困難0.391304
統計：A(4),B(9),C(0),D(9),E(0)