试题 试卷
题型：单选题 题类：真题 难易度：普通
2012年高考英语真题试卷（陕西卷）
To prevent fire, {#blank#}1{#/blank#}you switch off all the electrical equipment when you leave the room.
When {#blank#}1{#/blank#}something, you're {#blank#}2{#/blank#} to do {#blank#}3{#/blank#} you can to get it.
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