問題詳情

I ________ to him because he phoned me shortly afterwards.
(A) ought to have written
(B) must have written
(C) couldn’t have written
(D) needn’t have written

參考答案

答案:D
難度:困難0.35102
統計:A(104),B(130),C(84),D(172),E(0)

內容推薦