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

游客2023-11-03 56

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://www.tihaiku.com/zcyy/3153435.html

相关试题推荐

随机试题

最新回复(0)

Ifonlythepatient______adifferenttreatmentinsteadofusingtheantibiotic