[Q]: How does the sentence end?

Randy demonstrated to Neil how to make your own white board.

[A]: Neil was captivated.

[Q]: How does the sentence end?

Heather came to determine that the math books were outdated by professional standards, because the

[A]: books were low quality.

[Q]: How does the sentence end?

The many found many aquamarine gemstones in the mine, but very few gold nuggets since the

[A]:
gemstones were common.