[Q]: How does the sentence end?

Sarah asked Katrina to help them learn to play the guitar because

[A]: Sarah was inexperienced.

[Q]: How does the sentence end?

The work of John was way better than the job of Paul because the

[A]: job was useless.

[Q]: How does the sentence end?

Steven applied for the position of Bingo Caller while Derrick did not because

[A]:
Derrick was a foreign speaker.