题目内容
_______, the disease diphtheria would produce a powerful poison that would kill the paient.
If untreated B.If it untreated C. To be untreated D. If being untreated
A
解析:
略
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题目内容
_______, the disease diphtheria would produce a powerful poison that would kill the paient.
If untreated B.If it untreated C. To be untreated D. If being untreated
A
略