Problem: How does the sentence end?

People say that Craig is a bad parent, but Kyle is a good one. This is because
Answer: Kyle is patient.

Problem: How does the sentence end?

Lindsey demonstrated to Erin how to properly prune her roses so it would regenerate.
Answer: Lindsey was talented.

Problem: How does the sentence end?

Megan was helping Sarah build a dark room because
Answer: Megan had a lot of experience working in construction.

Problem: How does the sentence end?

Erin was better at driving than Kayla because
Answer:
Erin had taken a driver's safety class at school.