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    16． , the disease diphtheria would produce a powerful poison that would kill the patient. A．If it untreated B．If untreated C．To be untreated D．It being untreated 【查看更多】

     

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    People in Nome all had diphtheria, a disease that spreads very fast. If ________, it would produce a powerful poison that would kill the patient.

    A．untreatingB．to untreat C．untreatedD．untreat

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