問題詳情
596.The roof of this mansion has been____ designed to provide solar heating, which helps save a significant amount of money every year.
(A) accidentally
(B) ingeniously
(C) conveniently
(D) traditionally
參考答案
答案：B
難度：適中0.631579
統計：A(0),B(12),C(5),D(0),E(0)