Question

---Jack, what do you usually do after supper?

---Well, I______ stay at home and watch TV, but now I ______ taking a walk.'

1. A.
   used to, used to
2. B.
   used to, am used to
3. C.
   am used to, used to
4. D.
   am used to, am used to

Answer 1

B
used to do sth 表示过去常常做某事，而be  used to doing sth 表示的习惯于做某事，故选B