Problem: How does the sentence end?

Public speaking made Rachel happy but not Betty because ( 
Answer: Betty ) was a very bad speaker.

Problem: How does the sentence end?

Laura didn't want Emily to use her favorite sponges so 
Answer: Emily tried to find them.

Problem: How does the sentence end?

Rachel prayed for Kayla because 
Answer: Kayla was so angry about the death of the dear friend.

Problem: How does the sentence end?

Because Monica was the bride and Betty was her bridesmaid, 
Answer:
Monica wore a white dress to the wedding.