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
All flightsbecause of the storm, they had to wait in the hall.A. have put offB. were put o
答案:2 悬赏:50 手机版
解决时间 2021-02-10 20:16
- 提问者网友：溺爱和你
- 2021-02-10 10:35
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- 五星知识达人网友：天凉才是好个秋
- 2020-04-20 18:34
A. have put offB. were put offC. have been put off(答案→)D. having been put off解析：考察独立主格。根据句子结构可知，该句主句的主语是they，分词部分主语是all flights，因此是独立主格结构，独立主格结构是n + 分词形式 构成，即D句意为，所有的航班已经被取消，因为暴风雨，他们不得不在大厅里等。
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- 1楼网友：不想翻身的咸鱼
- 2020-06-22 00:02
我明天再问问老师，叫他解释下这个问题
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