[Q]: How does the sentence end?

The tornado demolished the house but left the barn intact, as the 

[A]: house was a rickety structure.


[Q]: How does the sentence end?

The fitness level of Derrick was horrible and that of Justin was amazing, due to 

[A]: Justin being healthy.


[Q]: How does the sentence end?

Justin thinks the crocodile in Peter Pan is an alligator, but when Dennis corrects him 

[A]:
Justin gets offended.