Problem: How does the sentence end?

Laura had an easier time than Lindsey moving from their home because
Answer: Lindsey had a bigger house.

Problem: How does the sentence end?

In the underground, Rachel rode further on the subway than Sarah because
Answer: Sarah gets sick on the ride.

Problem: How does the sentence end?

Copper was one of the more expensive metals. More so than bronze, since the
Answer: bronze was common.

Problem: How does the sentence end?

Justin was a lot more calm in a plane than Jason because
Answer:
Jason never visualized a safe landing.