1. Mrs. Mary is a teacher at your school, doesn't she?
2. He went to school late yesterday morning, didn't he?
3.Over crowded places have a lot of problems, don't they?
4.You live in the countryside, don't you?
5.He cannot speak French, can he?
6. Peter is not doing his school work now, is he?
7. They have finished their work so far, haven't they?
8.He won't take part in the competition, will he?