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You would have helped your mother do some housework. But you_______.
A.don’tB.didn’tC.wouldn’tD.weren’t
B
would have done 表示与过去事实相反的假设,连词but引出一个过去的事实。故此处用一
般过去时,完整的句子为But you didn’t helped your mother do some housework
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