問題詳情
I found out that the letter ______ to the wrong address.
(A) had sent
(B) has been sent
(C) had been sent
(D) sent
參考答案
答案：C
難度：簡單0.75836
統計：A(113),B(170),C(1202),D(98),E(2)
用户評論
【用戶】Yan
【年級】大三下
【評論內容】前面 I found已經用過去式了, 所以後面也要用過去式, 所以先刪除B, 信件自己不會寄送, 要由人寄送, 所以用簡單的被動式是:the letter is sent. 所以A和D(沒有be動詞) 不對