問題詳情

30. The buyer and the seller of the house are still _______. None knows when they will close a deal.
(A) cooperating
(B) guaranteeing
(C) manufacturing
(D) negotiating

參考答案

答案：D
難度：簡單0.826667
統計：A(9),B(6),C(3),D(124),E(0)