题目内容
【题目】To save energy, we should ________ the electricity when we don't use it.
A.go offB.shut offC.give offD.drop off
【答案】B
【解析】
略
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题目内容
【题目】To save energy, we should ________ the electricity when we don't use it.
A.go offB.shut offC.give offD.drop off
【答案】B
【解析】
略