Problem: How does the sentence end?

Kevin liked to play tricks on Hunter in middle school because 
Answer: Hunter looked so sad.

Problem: How does the sentence end?

Ian found the camera that Ryan had lost at the beach, so 
Answer: Ryan felt grateful about being helped out.

Problem: How does the sentence end?

Adam appointed Neil as the head guard, because 
Answer: Neil trained so hard that he became the best of the best.

Problem: How does the sentence end?

Amy needed to better scissors to cut as well as Kayla since, 
Answer:
Kayla had scissors that were sharp.