[Q]: How does the sentence end?

The dog breeder decided to feed all of the dogs milk instead of water because the

[A]: water was uninteresting to the dogs.

[Q]: How does the sentence end?

Rachel taught Tanya how to brush a cat's fur because

[A]: Rachel had owned a lot of cats before.

[Q]: How does the sentence end?

There was more shade in the yard of Christine than there was in the yard of Victoria because

[A]:
Victoria had less plants.