Problem: How does the sentence end?

I'm glad I decided to buy an older car instead of a new car as the insurance on the 
Answer: new car is higher.

Problem: How does the sentence end?

The dog was crying with the collar hurting its neck because the 
Answer: collar is small.

Problem: How does the sentence end?

The laptop was owned by Craig and the desktop by Hunter, so 
Answer: Craig had the ability to easily transport their computer.

Problem: How does the sentence end?

I was binding together the cover and pages for my book. There was paper sticking out of the finished product because the 
Answer:
cover was too short.