Question

Mike _____ smoke when he was in his 20s *
1- Do used to be
2- Didn't use to
3- Use to
4- Is used to
When I was a kid I ______ toy dinosaurs. *
1- Use to having
2- Use to
3- Used to have
4- Used to be

Answer 1

Respuesta:

Mike  didn´t use to smoke when he was in his 20s.

when I was a kid I used to have toy dinosaurs.

Explicación: