这道英语题选啥?
Ifhe___totheteacherattentively,he___theanswertotheproblemnow.A.hadlistened,wouldhavek...
If he ___ to the teacher attentively, he ___ the answer to the problem now.
A. had listened, would have known B. listened, would know
C. listened, would have known D. had listened, would know 展开
A. had listened, would have known B. listened, would know
C. listened, would have known D. had listened, would know 展开
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