Question

— Mike, you’ve got so many beautiful stamps.
— Yeah. I ____ collect stamps when I was 8 years old

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

Answer 1

B
考查短语：be used to do 被用来做某事，used to do 过去常常做某事，句意：迈克，你有如此许多美丽的邮票。是的，当我八岁的时候我过去经常收集邮票。所以选B。