MAC 3 - Tag Questions - Special Cases

I'm sure it is true, _____________?

Paul worked for BBC, ______________?

Jane's siblings haven't voted before, ____________?

Let's have a break, __________________?

Don't forget to reply her email, ____________?

Someone called her last night, ______________?

Please, send me his phone number, ____________?

There is a mosque in that street, ___________?

Let's not stay too late tonight, __________?

nobody is planning to visit him at the hospital, ___________?