Question

I used to ________ to school by bike, but now I am used to ________ to school.

1. A.
   go; walking
2. B.
   go; walk
3. C.
   going; walking
4. D.
   going; walk

Answer 1

A
点拨：此题考查used to do sth. 过去常常做某事，be used to doing sth. 习惯于做某事；前者是不定式，后者是介词。句意为：过去我常常骑自行车去上学，但是现在我习惯于走着去。