[Q]: How does the sentence end?

The children decided not to play video games, but read books instead, because the

[A]: books were enjoyable.

[Q]: How does the sentence end?

The local business was not allowed into the international organization because the

[A]: business was unregulated.

[Q]: How does the sentence end?

It was harder for Emily to install the driver card than it was for Tanya because

[A]:
Tanya had studied computers.