—My father watches the CBA every Sunday this year.
—Oh? But he like watching CBA, because it was so boring.
A. not used to
B. use not to
C. used not to
D. wasn’t used
网友回答
A. not used to
B. use not to
(答案→)C. used not to
D. wasn’t used
解析：used to do sth表示过去常常做某事，其否定形式可以是didn’t use to do sth也可以是used not do sth。