All flights______because of the snowstorm, many passengers could do nothing but take the train.

admin2010-02-22  45

问题 All flights______because of the snowstorm, many passengers could do nothing but take the train.

选项 A、had been cancelled
B、were cancelled
C、have been cancelled
D、having been cancelled

答案D

解析
转载请注明原文地址:https://jikaoti.com/ti/UOHMFFFM
0

最新回复(0)