After living there for one year, they have there.
A. accustomed to working
B. accustomed to work
C. been accustomed to working
D. been accustomed to work
网友回答
A. accustomed to working
B. accustomed to work
(答案→)C. been accustomed to working
D. been accustomed to work
解析：本题考查accustom的用法。be accustomed to 习惯于。to是介词，后接doing形式。