the johnstone family left for trip today! supposed to land in chicago at 3 p.m., but if flight gets delayed…

the johnstone family left for trip today! supposed to land in chicago at 3 p.m., but if flight gets delayed, they might get later. there their theyre ← type one in each blank. ① fill in each blank with the correct word. you may use each word more than once.
Answer
Brief Explanations:
"Their" is a possessive pronoun indicating ownership (their trip, their flight). "They're" is a contraction of "they are" (they're supposed to...). "There" is an adverb indicating a place, which is not applicable here.
Answer:
- their
- They're
- their
- there