题目内容
________, the disease will produce a kind of poison that will kill the patient.
[ ]
A.
If it untreated
B.
If is untreated
C.
If being untreated
D.
If untreated
答案:D
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题目内容
________, the disease will produce a kind of poison that will kill the patient.
If it untreated
If is untreated
If being untreated
If untreated