76. All flights _______ called off because of the terrible weather, they had to go there by train. A...
2023-01-30 19:53:33 51次 2010届高考二轮复习必备单项选择易错题集锦（一） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
76. All flights _______ called off because
of the terrible weather, they had to go there by train.
|
A．were
|
B．had been
|
C．being
|
D．having been
|
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