I
1 A. I used to live in a flat when I was a child.
2 C. My sister used to love eating candies, but now she hates them.
3 C. He used to play golf every weekend, but now he plays tennis.
4 A. David Beckham used to play for Manchester United.
5 C. There used to be a police station here, but now it is a shopping center.
II
1 A. I used to ride my bicycle to school when I was a student.
2 D. We used to go to the same little café for lunch every day when I worked for this company.
3 C. She used to love playing badminton before she hurted her shoulder.
4 C. I used to always lose when I played chess with my father.
5 A. She used to be able to dance very well.