◎ 题干
Tell John not to leave the house unless he ________ that the lights ________.
[     ]
A. will make sure;  will be turned off
B. will make sure;  will turned off
C. makes sure;  are turned off
D. makes sure;  will be turned off
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Tell John not to leave the house unless he ________ that the lights ________.[ ]A. will make sure;will be turned offB. will make sure;will turned offC. mak…”主要考查了你对  【一般现在时】【一般现在时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。