[Q]: How does the sentence end?

Kenneth made sure to study harder than Michael for the exam, so 

[A]: Kenneth got a better score on the test.


[Q]: How does the sentence end?

The trip to Prague was frustrating for Sarah but not for Rachel because 

[A]: Sarah didn't speak the language there.


[Q]: How does the sentence end?

The thick frames were needed by the student unlike the contacts as the 

[A]:
frames were obvious.