All flights because of the storm, they had to wait in the hall. A．have put off B．were put off C．have...
2023-01-01 10:00:31 37次 2011-2012学年安徽省高三最后一卷英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
All flights because
of the storm, they had to wait in the hall.
A．have put off B．were put off
C．have been put off D．having been put off
本题链接：
