问题
选择题
My father _______ in the morning, but now he ____________ after supper.
A．is used to run; is used to walking
B．used to run; is used to run
C．used to run; is used to walking
D．is used to running; used to walk
答案
答案：C
本题根据use 的用法，be used to do sth （被用来做某事） be used to doing sth(习惯于做某事) used to do sth（过去常常做某事），故选C