[Q]: How does the sentence end?

Laura learned more songs on the piano than Katrina although 

[A]: Katrina was more talented musically.


[Q]: How does the sentence end?

Karen was positive about the answers on her math test, but confused about the essay. She was least confident about the 

[A]: essay .


[Q]: How does the sentence end?

Vehicle problems of the worst kind made it difficult for Sandy to get around by car, so she went by bus. The 

[A]:
car was troublesome.