_____,thediseasediphtheriawillproduceapowderpoisonthatw...
来源：语文精选馆 2.79W
问题详情：
_____, 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
