Unlike the fossil fuels of today, biofuels are renewable sources, which mean that they will not ____...
2022-12-22 05:26:49 151次 2014届湖北武汉市高二上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Unlike the fossil fuels of today, biofuels are
renewable sources, which mean that they will not ____ easily.
A．come out B．break out C．turn out D．run out
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