All the flights _________ because of the snowstorm, we had to take Ihe train ins

游客2023-11-22  20

问题 All the flights _________ because of the snowstorm, we had to take Ihe train instead.

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

答案 D

解析 该句的前半句使用的是独立结构,由于动作发生在过去,所以根据题意要求,使用了完成式被动语态。
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