Problem: How does the sentence end?

It was easy for Monica but not Elena to be a life guard because 
OPTIONS:
- Monica spent all childhood swimming in the family pool.
- Elena spent all childhood swimming in the family pool.
Answer: Monica spent all childhood swimming in the family pool.
sentence: I picked the cranberries out of my salad but left the walnuts because I always like the  OPTIONS:
- cranberries in salads.
- walnuts in salads.
complete: walnuts in salads.
Jenna used her profits to pay tax on her franchise, even though she thought the 
OPTIONS:
- tax were too high.
- profit were too high.
tax were too high.
Input: Continue writing.

Katrina borrowed a ladder from Laura to put up Christmas lights; when the ladder broke, 
OPTIONS:
- Katrina asked for a replacement.
- Laura asked for a replacement.

Continued: Laura asked for a replacement.
Story needs to be completed:
Jason didn't need to pump his bike tires before a ride but Derrick did because 
OPTIONS:
- Jason 's bike tires were flat.
- Derrick 's bike tires were flat.

My choice:
Derrick 's bike tires were flat.
Problem: How does the sentence end?

Matthew vacuumed Kenneth's whole living room and a bathroom, because 
OPTIONS:
- Matthew  was a happy to do it.
- Kenneth  was a happy to do it.
Answer:
Matthew  was a happy to do it.