作业帮We were using more energy (when we were living in our old house)就括号部分提问
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We were using more energy (when we were living in our old house)就括号部分提问
We were using more energy (when we were living in our old house)就括号部分提问
We were using more energy (when we were living in our old house)就括号部分提问
when were you using more energy.