Не понимаю 7 и 10 в первом , и совсем не понимаю второе .​

7. Did she do

10. Were; weren't

2. 1. We used to have a dishwasher when I was little.

2. Jim used to play in the team.

3. I used to know few famous people.

4. My granny used to enjoy knitting.

5. My skin used to look pale.

6. My sister didn't use to live with us.