Answer:
1. their
2. their
3. there
4. their
5. they're
6. there
7. their
8. their
9. their
10. they're
11. there
12. their
13. their
Step-by-step explanation:
"They're" means "they are" a way to use it is "they're very happy today"
"There" can be used in many different ways, but it isn't a pronoun, so it will be used like "there are many people at the grocery store" or "are we there yet?"
their is a pronoun, so you will use it like "their stuffed animal was stolen from them" or "have you listened to their new podcast"
for example
Hope this helps