[Q]: How does the sentence end?

Benjamin owed far more money to the car dealer than Samuel because

[A]: Samuel bought a cheap car.

[Q]: How does the sentence end?

Rebecca wiped her glasses with a rag and then switched to a tissue, because the

[A]: rag wasn't getting the job done.

[Q]: How does the sentence end?

The town was only able to find a source of water and not the oil because the

[A]:
oil was scarce.