[Q]: How does the sentence end?

Donald always polished his car unlike Kevin did, because 

[A]: Kevin had a very old and dirty car.


[Q]: How does the sentence end?

The collector spent millions on the painting and was happy, but regretted getting the statue, because the 

[A]: statue was fake.


[Q]: How does the sentence end?

Jessica is always carrying an umbrella to work, though Jennifer does not need one. 

[A]:
Jessica lives in a wet climate.