Problem: How does the sentence end?

During the conversation, William told a secret about Jason, and 
Answer: William was apologetic regarding his mistake.

Problem: How does the sentence end?

Samantha offered to help Christine learn how to immigrate to her country, as 
Answer: Christine was a foreigner.

Problem: How does the sentence end?

We always played in the field next to my house and not the park, because the 
Answer: park was rarely maintained.

Problem: How does the sentence end?

The man wanted to use the downstairs toilet over the upstairs one because the 
Answer:
downstairs toilet is more private.