Problem: How does the sentence end?

It was harder for Laura to write a book than Patricia because 
Answer: Patricia had a better imagination.

Problem: How does the sentence end?

Laura tended to steal while Christine was lawful, so 
Answer: Christine was never in trouble with the law.

Problem: How does the sentence end?

Using a broom was good for Kayla to clean but not Victoria because 
Answer: Kayla had hard wood floors.

Problem: How does the sentence end?

Rebecca was very lax with their studying in school while Amy was very diligent. 
Answer:
Rebecca mostly got C grades in their classes.