[Q]: How does the sentence end?

Samantha wants to avoid gaining weight so she asks Monica for an extra sessions, because

[A]: Monica is a trainer.

[Q]: How does the sentence end?

John bought the loafers instead of the Cowboy boots since the

[A]: loafers were so cheap.

[Q]: How does the sentence end?

The man's voice sounded louder in the gym than in the hall because the microphones in the

[A]:
hall were low quality.