Thereissomeoneathomebecausethelightsare______.A.outB.onC.not

发布时间:2020-08-14 06:33:24

There is someone at home because the lights are ______.A.outB.onC.not

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B解析本题主要考查动词介词的用法,因为看到房间里亮灯所以才判断有人,on可以表示“……正在工作”,故选B
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