You would have helped your mother do some housework. But you .A. don’tB. didn’tC. wouldn’t

You would have helped your mother do some housework. But you .
A. don’t
B. didn’t
C. wouldn’t
D. weren’t

A. don’t(答案→)B. didn’tC. wouldn’tD. weren’t解析： 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

这下我知道了