問題詳情

111. The Central Downtown _______ as the costliest place in the city to do business.
(A) often is referred
(B) is often referred
(C) is referred often to
(D) is often referred to

參考答案

答案：D
難度：適中0.411765
統計：A(1),B(8),C(1),D(7),E(0)