Complete com *USED TO* nas formas interrogativa, arfimativa e negativa

Respostas:
1.a) Did you use to have any pets when you were a kid?
b) Yes, I used to have a white cat named Snowball. He used to play with a wool ball.
2.a) Did you and your classmate use to play together after school?
No, we didn't use to play during the week. We used to study a lot.