Because of the Russian gas limit to Europe, attempts _______ to use botanical fuel as a source of po...
2023-01-10 18:15:34 29次 安徽省2010届高考考前调研卷（7-5）（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Because of the Russian gas limit to Europe,
attempts _______ to use botanical fuel as a source of power.
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A．have made
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B．having made
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C．are being made
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D．will be making
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