All flights______due to the fog, they decided to go to Guangzhou by train.

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问题 All flights______due to the fog, they decided to go to Guangzhou by train.

选项 A、have been can celled
B、having can celled
C、having been can celled
D、were can celled

答案C

解析 分词独立主格结构。
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本试题收录于: 英语题库普高专升本分类
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