[Q]: How does the sentence end?

Sarah had fewer ants in their house than Jennifer because

[A]: Sarah left pesticide where the ants were.

[Q]: How does the sentence end?

She wanted to be a math teacher but became an architect instead, because the

[A]: math teacher job has lower salary.

[Q]: How does the sentence end?

The project caught Eric off guard but not Craig because

[A]:
Eric was uninformed about the situation.