She________ as a teacher for many years before she became a writer

1. She________ as a teacher for many years before she became a writer
a. didn't use to work b. used to worked c. used to work d. worked
2. There______ a bus station there. When was it built?
a. used to be b. usedn't to be c. didn't use to be d. used not being
3. Dominic _________ to bed late on Fridays and Saturdays.
a. usually goes b. uses to go c. doesn't use to go d. is used to go
4. What kind of music ________when she was a child?
a. Nancy used to like b. used Nancy to like
c. did Nancy used to like d. did Nancy use to like
5. He _______several books a month, but he doesn't have time any more.
a. usually reads b. used to read c. used to reading d. didn't use to read