[Q]: How does the sentence end?

Elena passed the exam while Laura failed because 

[A]: Laura didn't study hard for the exam leading up to it.


[Q]: How does the sentence end?

Nelson had the flu but Jeffrey had a bacterial infection, so their doctor gave 

[A]: Jeffrey antibiotics.


[Q]: How does the sentence end?

Keeping to a daily routine was easier for Monica than Victoria because 

[A]:
Monica had good self discipline.