这题选什么?理由?
这题选什么?理由?IwouldhavecomesoonerbutI_______thattheywerewaiting.A.haven'tknownB.hadn'tkno...
这题选什么?理由?I would have come sooner but I _______ that they were waiting.
A. haven't known B. hadn't known
C. don't know D. didn't know 展开
A. haven't known B. hadn't known
C. don't know D. didn't know 展开
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