题目内容
【题目】___ for the doctor’s careful treatment, he ___ till last year.
If it is not; can’t live
Were it not; couldn’t live
Had it not been; couldn’t have lived
If they were not; couldn’t live
【答案】C
【解析】题意:要不是这位医生的精心治疗,他不可能活到去年。
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