[Q]: How does the sentence end?

At the high school, Rebecca is better at talking to girls than Laura because

[A]: Laura is awkward.

[Q]: How does the sentence end?

Jason worked for the weekend, but Kenneth liked their job -

[A]: Jason had never enjoyed doing hard work.

[Q]: How does the sentence end?

In college, Samuel wrote more essays than Michael, who typically wrote technical reports, because

[A]:
Michael was an engineering major.