[Q]: How does the sentence end?

Taking care of children came much easier to Aaron than Kevin because 

[A]: Kevin just did not have a naturally loving personality.


[Q]: How does the sentence end?

Tom piled all the discarded shoes from the bag into a box until the 

[A]: box was full.


[Q]: How does the sentence end?

When the software malfunctioned Cynthia was able to fix it but Elena couldn't as 

[A]:
Cynthia is a computer wiz.