he used to live in the country空格
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
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 ...