13 Key:
1 Is Mr Jackson a teacher? Yes, Mr Jackson is a teacher.
2 Are they 13? No, they aren't thirteen.
3 Am I old enough? Yes, you are old enough.
4 Are the clowns funny? No, the clowns aren't funny.
5 Is Janet married? Yes, Janet is married.
6 Are your parents rich? No, my parents aren't rich.
7 Are you at home? Yes, I am at home.
8 Is your dad very sporty? Yes, my dad is very sporty.