We have just heard a warning on the radio _____________ a typhoon may be on its way． A．what B．when C...
2022-11-22 13:51:46 27次 2013-2014学年山东省枣庄市高三高考模拟训练（五）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：
We have just heard a warning on the radio _____________ a typhoon may be on its way．
A．what B．when C．which D．that
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