[Q]: How does the sentence end?

Doing well in competitions came easily to Logan but not Lawrence because 

[A]: Lawrence did not have a lot of confidence.


[Q]: How does the sentence end?

Steven told Donald that he had the symptoms of the flu that past two days.  

[A]: Steven was tired.


[Q]: How does the sentence end?

Maria loves to flirt but Laura does not. 

[A]:
Laura is able to find very few people to go on dates.