Problem: How does the sentence end?

Living abroad for the year suited Emily more than Mary because 
OPTIONS:
- Emily missed her home.
- Mary missed her home.
Answer: Mary missed her home.

Problem: How does the sentence end?

The ride on the train made her head ache, but not the car, since the 
OPTIONS:
- train was quieter.
- car was quieter.
Answer: car was quieter.

Problem: How does the sentence end?

The friendly waitress poured the strong black coffee from the pot into the mug until the 
OPTIONS:
- pot was full.
- mug was full.
Answer: mug was full.

Problem: How does the sentence end?

In a group Cynthia was usually silent but Rebecca was not because 
OPTIONS:
- Cynthia was a naturally reserved person.
- Rebecca was a naturally reserved person.
Answer:
Cynthia was a naturally reserved person.