問題詳情

3.Steve didn’t know who read his letter. When hegot home, it ______　　　.
(A) will be opened
(B) has been opened
(C) had been opened
(D) is opened

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增

用户評論

【珊珊】評論

句中didn't為過去式在過去的之前發生★★（...