Because of the cold weather, half of the children________ill for a week. A. has been B. have fallen ...
2023-02-06 17:37:25 52次 2013-2014学年四川省万州区岩口复兴学校九年级中考模拟（一）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：
Because of the cold weather, half of the children________ill for a week.
A. has been B. have fallen
C. have been D. has fallen
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