[Q]: How does the sentence end?

Steven wanted to practice speed reading with Benjamin, so

[A]: Steven invited him over after school.

[Q]: How does the sentence end?

The spectacles could not detect newly formed stars but the telescopes could. This is because the

[A]: spectacles were very weak.

[Q]: How does the sentence end?

Erin asked Sarah to be her agent, since

[A]:
Erin was ignorant of the ins and outs of the music business.