Problem: How does the sentence end?

We often cleaned up with vinegar instead of cleaner because the 
OPTIONS:
- vinegar was much too pricey.
- cleaner was much too pricey.
Answer: cleaner was much too pricey.

Problem: How does the sentence end?

James wanted to get a new pillow and mattress for his bedroom.  He got the 
OPTIONS:
- pillow first even though it was more expensive.
- mattress first even though it was more expensive.
Answer: mattress first even though it was more expensive.

Problem: How does the sentence end?

Percy goes to the park on his bike instead of on the train, because the 
OPTIONS:
- train gets him there slower.
- bike gets him there slower.
Answer: train gets him there slower.

Problem: How does the sentence end?

Derrick paid for their dinner but Steven wanted their's for free because 
OPTIONS:
- Derrick was generous.
- Steven was generous.
Answer:
Derrick was generous.