Question:
American Airlines offers upgrades for their preferred passengers so they continue choosing their airlines over others.

they
Answer:
their preferred passengers
Question:
Chase Sapphire has a 24 hour service line for card holders since they chose the card for everyday available support when traveling.

they
Answer:
card holders
Question:
Misty was replaced by May because she had to go back home.

she
Answer:
Misty
Question:
Fry's Electronics is more successful than Comp USA since they price their products much lower.

they
Answer:

Fry's Electronics