问题描述:
____for the doctor"s careful treatment ,he ____till last year .
A if it is not ; can not he
B were it not ; cound not live
C had it not been;cound not have lived
D if they were not ;could not live 为什么选C不选B呢,我觉得If 省略了,两个都可以啊
A if it is not ; can not he
B were it not ; cound not live
C had it not been;cound not have lived
D if they were not ;could not live 为什么选C不选B呢,我觉得If 省略了,两个都可以啊
问题解答:
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