問題詳情

25、( )After try several times, we were ______ and didn't know what to do.
(A) at the end of our ropes
(B)at the mercy of
(C)at the cost of
(D) at the least

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)