Problem: Aaron subbed Donald out of the game because

My choice: Donald was the worst player on the team and was not helping his team to win.

Problem: After he stopped watching TV and started reading a new book, his knowledge grew, this was because the

My choice: book was much more informative.

Problem: Lindsey was a better teacher than Laura because

My choice: Lindsey had been doing the job for many more years.

Problem: The job of Monica was a lot more difficult than Betty because

My choice:
Monica was a chemical engineer.