Make sentences with used to, didn't use to, or did ... use to?

[-] I / be a Manchester United fan

I didn't use to be a Manchester United fan.

[-] I / like vegetables when I was a child

I didn't use to like vegetables when I was a child.

[?] Jeff / have a motorbike

Did Jeff use to have to have a motorbike?

[?] your brother / teach here

Did your brother use to teach here?

[+] my sister / hate maths, but she loves it now

My sister used to hate maths, but she loves it now.

[+] telegrams / be a way of sending important messages

Telegrams used to be a way of sending important messages.

[-] The British / drink a lot of coffee

The British didn't use to drink a lot of coffee.

[+] this building / be a cinema

This building used to be a cinema.

[?] what / you / do in the summer holidays when you were young

What did you use to do in the summer holidays when you were young.

[?] where / you / work

Where did you use to work?