1. When she was a child she ...
1) used like sweets
2) use to like sweets
3) used to like sweets
4) used to likes sweets
2. I will explain ...
1) to you when I will see you
2) when I’ll see you
3) to you when I see you
4)you when I see you
3. Have you ... to Jim’a party?
1) be invited too
2) was invited too
3) also invited
4) also been invited

1 -3 When she was a child she used to like sweets

2-3 I will explain to you when I see you

3-4 Have you also been invited to Jim's party