Complete the tag-questions.

She’s from a small town in China, ________________ ?
They aren’t on their way already, ________________ ?
You have cleaned your bike __________________?
John and Max don’t like Maths, ________________________?
Peter played handball yesterday, ________________________?
They are going home from school, _______________________?
Mary didn’t do her homework last Monday, ______________________?
He could have bought a new car, ______________________?