
一道高中英语选择题
Everypossiblemeans_____topreventtheairpollution,buttheskyisstillnotclear.AisusedBareu...
Every possible means_____to prevent the air pollution, but the sky is still not clear.
A is used B are used C has been used D have been used.
需要解释谢谢 展开
A is used B are used C has been used D have been used.
需要解释谢谢 展开
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选D
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2012-03-07
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D
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