All the flights _______because of the snowstorm, we had to take the train instea

游客2023-10-24  27

问题 All the flights _______because of the snowstorm, we had to take the train instead.

选项 A、were canceled
B、had been canceled
C、having canceled
D、having been canceled

答案 D

解析 逗号前后句子无连词连接,因此前半句应用独立主格结构作状语,故排除A、B。由于动作发生在过去,且flights与cancel存在被动关系,因此用完成式被动语态,答案为D。
转载请注明原文地址:https://tihaiku.com/zcyy/3125117.html
最新回复(0)