来自刘文光的问题
【Ifhe___totheteacherattentively,he___theanswertotheproblemnow.A.hadlistened,wouldhaveknownB.listened,wouldknowC.listened,wouldhaveknownD.hadlistened,wouldknow】
Ifhe___totheteacherattentively,he___theanswertotheproblemnow.
A.hadlistened,wouldhaveknownB.listened,wouldknow
C.listened,wouldhaveknownD.hadlistened,wouldknow
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2020-09-12 15:02