[Q]: How does the sentence end?

Katrina asked Erin how to do her hair like Arwen, because

[A]: Katrina had never been able to do that before.

[Q]: How does the sentence end?

The chef made spaghetti for Emily but not Monica because

[A]: Emily ordered it off the menu.

[Q]: How does the sentence end?

They had the play multiple times, but we preferred it at the school over the coliseum because the

[A]:
school is more familiar since I am a student.