Problem: How does the sentence end?

Eric loved to have friends over and entertain them but Donald didn't.
Answer: Eric threw dinner parties once a month.

Problem: How does the sentence end?

The document was difficult to read compared to the other paper because the
Answer: paper was typed.

Problem: How does the sentence end?

Even though Elena starts school in fall, Tanya does not because
Answer: Elena was the only one out of them that got accepted to the university.

Problem: How does the sentence end?

Carrie took her hamster to the vet because it had diarrhea where Amy's diagnosed it with wet tail.
Answer:
Amy was very concerned about her favorite patient.