_____,thediseasediphtheriawillproduceapowderpoisonthatw...

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_____,thediseasediphtheriawillproduceapowderpoisonthatw...

_____, the disease diphtheria will produce a powder poison that will kill the patient.

A. If it untreated                          B. If is untreated

C. If being untreated                    D. If untreated

【回答】

D

知识点:倒装与省略

题型:选择题

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