问题补充：
He in the north, but now he here．
A. used to live; is used to the life
B. use to live; is used to live
C. used to living; is used to living
D. used to live; is used to live
答案：
(答案→)A. used to live; is used to the life
B. use to live; is used to live
C. used to living; is used to living
D. used to live; is used to live
解析：从句中一个now可知：前半句讲过去习惯，用used to do, 后半句讲现在，用be used
to （doing） sth．
