His father ---- to work by car,but now he --- to work by bike.

题目

His father ---- to work by car,but now he --- to work by bike.
A.used to go; uses to going
b.was used to go; is used to going
C.uses to go; used to go;
D.used to go; is used to going

答案

D
used to do 过去常常
be used to doing 习惯做某事