Problem: How does the sentence end?

I was unable to use the word in the title for my book because the
Answer: word was very long.

Problem: How does the sentence end?

James could not cut the rope with a knife and he decided to use an ax instead. The
Answer: ax is sharp.

Problem: How does the sentence end?

Jill could not finish his speech at the seminar within the time given to him because the
Answer: time is short.

Problem: How does the sentence end?

Hunter helped Kevin off the field after he hurt his shoulder during practice.
Answer:
Kevin was out the rest of the game.