Problem: How does the sentence end?

Jeffrey stuffed the package with wrap instead of the paper he normally used because the 
Answer: paper was used up.

Problem: How does the sentence end?

I enjoyed sleeping on the couch more than the bed because the 
Answer: bed was harder.

Problem: How does the sentence end?

During a job interview, Matthew asked Christopher about their prior jobs because 
Answer: Matthew wanted to know.

Problem: How does the sentence end?

Amy hated the smell of bleach, but still Kayla used it all the time to clean so 
Answer:
Kayla tries to use it less.