[Q]: How does the sentence end?

Carrie went to Samantha's doctor's office so they could look at her ear, because

[A]: Samantha had expertise in this.

[Q]: How does the sentence end?

The laptop computer was a better choice for me over a desktop because the

[A]: desktop was a hassle.

[Q]: How does the sentence end?

Monica didn't want to hire a lawyer but Lindsey did because

[A]:
Lindsey is trusting of lawyers.