问题补充：
My grandma used to live in the country, but now she living in the city and likes the city life.
A. is used to
B. is used for
C. used to
D. uses to
答案：
(答案→)A. is used to
B. is used for
C. used to
D. uses to
解析：句意：我的祖母过去居住在乡下，但是现在她习惯居住在城市并且喜欢城市的生活。Used to do sth.过去常常做某事；be used to doing sth.习惯于做某事。Be used to do sth. =be used for sth.表示被动语态。本句体现祖母喜欢城市的生活。故选A
