Problem: How does the sentence end?

While building her home, Mary took out the tile and replaced it with hardwood floor. The
Answer: hardwood floor was new.

Problem: How does the sentence end?

The doctor said Laura's heart beat was fine but Sarah's was irregular.
Answer: Laura felt so relieved.

Problem: How does the sentence end?

Matthew had extensive experience writing compared to Justin, so
Answer: Matthew was asked to help with the candidates speech.

Problem: How does the sentence end?

William liked to keep the house clean, but Robert was filthy, so
Answer:
Robert was always leaving things lay around.