問題詳情

26. His sister left home in 1998, and _______since.
(A) has not been heard of
(B) has not been heard of
(C) had not heard of
(D) has not heard of

參考答案

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