My grandmain the country. Now shein the city.A. used to live livesB. used to living live

问题补充：

My grandmain the country. Now shein the city.

A. used to live, lives

B. used to living, lived

C. uses to live, is living

D. was used to live, lives

答案：

(答案→)A. used to live, lives

B. used to living, lived

C. uses to live, is living

D. was used to live, lives

解析：短语：used to do 过去常常做某事，be used to doing sth 习惯于做某事，根据第二句中的Now，可推断出第一句说的是过去的情况，句意“我的爷爷过去住在乡下。现在他住在市里。所以选A。