問題詳情
13. Angry parents ____ one of the major entrances into the school hours before the event started.
(A) have blocked
(B) blocking
(C) were blocked
(D) had blocked
參考答案
答案：D
難度：簡單0.7
書單：沒有書單，新增
用户評論
【ZORA】評論
BC語意不合,刪除。A在現在某事件開始以前就封鎖了主要出入口D在過去某事件開始以前就封鎖了主要出入口選D