問題詳情

30. When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life.
(A) were hanging
(B) had hung
(C) hung
(D) would hang

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)