[Q]: How does the sentence end?

Neil was a better public speaker than Lawrence because

[A]: Lawrence tended to appear awkward at the podium.

[Q]: How does the sentence end?

The old dog ran past Elena and up to Christine, because

[A]: Christine had treats in their pocket.

[Q]: How does the sentence end?

Mary asked Rebecca what the chemical symbol for nitrogen was because

[A]:
Mary could not remember.