Problem: How does the sentence end?

Megan said it would be liberating to go out without makeup like Elena does. 
Answer: Elena never wore makeup when she left the house.

Problem: How does the sentence end?

Jessy decided to clean the floor but not the furniture, because the 
Answer: furniture was clean.

Problem: How does the sentence end?

Jennifer was chosen to sing in the concert but Victoria was not because 
Answer: Victoria had a very weak voice.

Problem: How does the sentence end?

Katrina asked Rebecca how to save a jpeg image file on the computer but 
Answer:
Rebecca did not know.