Their There They're by Isaac

1. The teacher told them to leave their books on the desk.
2. Billy is always there on time.
3. There are over 900 students at our school.
4. Ask them if they're coming tomorrow.
5. Dad was pleased they had done well in their exams.
6. We'll go to McDonalds if there is time.
7. They're baking a cake for their Grandma.
8. Can you give me their telephone number?
9. My parents won't be coming as they're both working on Saturday.