he used to live in the country空格A didn't he B usesn't he C does he D both Aand B每个选项的排除说下
问题描述：
he used to live in the country空格
A didn't he B usesn't he C does he D both Aand B每个选项的排除说下
答
如果B 是 usedn't he ，正确答案是 D
used to 是固定结构，表示“过去常常做某事”，反义疑问句是 didn't he 或者 usedn't he
如果B usesn't he 不是拼写错误，那只能选 A。
答
D
used to 过去常常做某事,它的反义疑问句可用 didn't ...(相当于一般过去时） / usedn't ...