[Q]: How does the sentence end?

Samantha was a safe driver, unlike Natalie.

[A]: Samantha had never even been pulled over for expired tags, nevermind a DUI.

[Q]: How does the sentence end?

It was harder for Emily to install the driver card than it was for Tanya because

[A]: Tanya had studied computers.

[Q]: How does the sentence end?

Joel asked Robert how long will the flight be before they arrive, because

[A]:
Joel had forgotten.