They demanded that the books________ to the school library at onceA.returnB.shou

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    题型: 单项选择题 难度: 困难
    They demanded that the books________ to the school library at once
    A.return
    B.should return
    C.be returned
    D.would be returned
    答案
    C
    解析
    试题分析:考查虚拟语气。表示命令、建议、要求等的词demand, command, order, request, require, suggest(建议),insist(坚持要求)等,后面的宾语从句用虚拟语气,即,should+动词原形。should可省略。根据demanded可知,是过去时,排除A;根据(should)+do排除D;books 和return是动宾关系,用被动语态,排除B。故选C。
    考点:考查虚拟语气
    
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