[Q]: How does the sentence end?

Lawrence read more books on biology than Joseph, so

[A]: Lawrence was able to speak confidently about ecology.

[Q]: How does the sentence end?

Joel knew what was going to happen in the movie and told Aaron, so

[A]: Joel felt sorry for spoiling the surprise.

[Q]: How does the sentence end?

Samantha was a student and asked Christine and asked for help with their history and english homework because

[A]:
Samantha didn't understand it.