题目内容
【题目】
______ for his strong will as well as the doctor's careful treatment, he ______ till last year.
A. If it isn't; can't live
B. Were it not; couldn't live
C. Had it not been; couldn't have lived
D. If they were not; couldn't live
【答案】C
【解析】考查与过去情况相反的虚拟语气,并且if从句用了省略。
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