Problem: How does the sentence end?

Since William was an expert at guitar while Neil was an amateur,
Answer: William played their scaled with ease.

Problem: How does the sentence end?

Hairline restoration cost a lot of money which Michael willingly paid, but not Benjamin, as
Answer: Michael was self conscious of their bald head.

Problem: How does the sentence end?

Some days I keep my textbook in my backpack and others my sports bra, today was gym class so I had the
Answer: sports bra in it.

Problem: How does the sentence end?

Kayla suffered from arthritis and declined to go for a walk, but Lindsey did not, because
Answer:
Kayla had achey joints.