Problem: How does the sentence end?

Megan cared for many more patients than Katrina because
Answer: Katrina worked in a smaller hospital.

Problem: How does the sentence end?

Jason brought out some hammer and nails and started to repair Kyle's closet because
Answer: Kyle paid him to do so.

Problem: How does the sentence end?

Most people buy gems at a Jeweller's but some buy them in a pawnshop. This is because the
Answer: jeweller is more expensive.

Problem: How does the sentence end?

Laura had a stomach ache and fever but not Megan because
Answer:
Megan avoided eating the old oysters.