Question

Открыть скобки I don't keep pets now but I (use) to keep a dog when i (be) a boy. 

Answer 1

I don't keep pets now but I used to keep a dog when I was a boy.

When I was a boy, I used to have a dog as a pet. It was a wonderful experience to have a loyal companion by my side. However, currently, I do not have any pets.