Problem: How does the sentence end?

Installing the fridge was a lot easier than doing the stove was for Roger. He had never installed the 
Answer: stove before in a different house.

Problem: How does the sentence end?

This was Brian's first child but not Donald so 
Answer: Donald had an idea what to do with the contractions.

Problem: How does the sentence end?

Dennis showed a major symptom of depression after Brian died, since 
Answer: Dennis was in mourning.

Problem: How does the sentence end?

Kayla's book got much worse reviews than Rebecca's. This is because 
Answer:
Rebecca is a strong writer.