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    ( ) This is an illness that can result in total blindness if . A. leaving untreated B. left untreated C. leaving to untreat D. left untreating [解析]选B if后的逻辑关系是:这种病被忽视未被 治疗.表示被动关系.通过两个分词left和untreated表示. 完整句子为:if it is left untreated.分词作非谓语动词可带 连词. 【查看更多】

     

    题目列表(包括答案和解析)

    This is an illness that can result in total blindness if_______.

    A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated

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    This is an illness that can result in total blindness if_______.

    A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated

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    This is an illness that can result in total blindness if_______.

    A. to leave untreating   B. left untreated   C. leaving untreating   D. is left untreated

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    This is an illness that can result in total blindness if ________ untreated in time.

    A. being left              B. left               C. to be left            D. leaving

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    This is an illness that can result in total blindness if ________．

    [　　]
    A．

    leaving untreated

    B．

    left untreated

    C．

    leaving untreating

    D．

    left untreating

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