問題詳情

342.When I entered the room, the children _______ asleep.
(A) have fallen
(B) have been fallen
(C) had fallen
(D) had been fallen

參考答案

答案：C
難度：適中0.666667
統計：A(1),B(4),C(16),D(3),E(0)

用户評論

【黑色五葉草魚】評論

前一句用過去式,所以後一句代表更早發生的要用過去完成 had +pp.