[Q]: How does the sentence end?

The key to the city was given to Ryan and not Aaron because 

[A]: Aaron had done less for the place.


[Q]: How does the sentence end?

John's degree was a lot better than Paul's certificate because the 

[A]: certificate was from a sketchy class.


[Q]: How does the sentence end?

The wood wasn't holding up, so to prevent leakage we replaced it with ceramic. The 

[A]:
wood was old.