we can save water by fixing dripping taps.( by fixing dripping taps）划线部分提问

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• we can save water by fixing dripping taps.( by fixing dripping taps）划线部分提问
• We can save water by fixing a dripping tap.否定句一般疑问句
• we can save water by fixing dripping taps.( by fixing dripping taps）划线部分提问
• We can save water by fixing a dripping tap.否定句一般疑问句
• We can save water __ the taps when we don't use it.A.by not turning offB.by turning offC.by not turn offD.by turn off
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