问题补充：
I in London, but now I live in New Yorker.
A. used to living
B. am used to living
C. used to live
D. am used to live
答案：
A. used to living
B. am used to living
(答案→)C. used to live
D. am used to live
解析：句意：我过去住在伦敦但是现在我住在纽约。be used to do sth,被用来做……，be used to doing sth 习惯于做……，used to do sth,过去常常做某事。这里指过去做……，故选C
