–You used to live in the city, ____ you?
–Yes, but so far I’ve already get used to ____ in the countryside.
A.didn’t; live
B.didn’t; living
C.did; live
D.did; living
答案:B
考察used用法。上文used意思是过去常常做某事,use为过去时态,故反义疑问句部分助动词用did。下文为句式get used to sth习惯于某事。To是介词后面接名词或者动名词。故选B。