問題詳情

26 I____  to contact a friend living in Hualien for the past few days, but I still cannot reach him.
(A) had tried
(B) have been trying
(C) had been trying
(D) tried

參考答案

答案：B
難度：適中0.5625
統計：A(8),B(36),C(15),D(3),E(0)