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    精英家教网 > 高中英语 > 题目详情
    ______ the teacher has given permission, ______allowed to use the equipment in the lab.
    A．Only if, are the studentsB．If only, the students are
    C．If only, are the studentsD．Only if the students are
    A

    试题分析：句意：只要老师答应，学生被允许使用实验室的设备。这里是only修饰if的从句放在句首时，句子的主句用部分倒装，故选A。
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