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