Complete the sentences .Use the present simple or the correct form

1. That shop used to sell CDs but now it is a supermarket.
2. My grandparents live in France now but they used to live in London.
3. I enjoy Maths a lot now but when I was younger I used to hate it.
4. My sister used to eat a lot of chips but she does not like them any more.
5. I did not use to use my mobile phone very much but now I use it a lot.
6. A: Did you use to have bad dreams when you were a child?
B: Yes, I did, but I do not have them any more.