[Q]: How does the sentence end?

Leslie studied to become an auto body repair technician but not Robert, because 

[A]: Robert was not interested in cars.


[Q]: How does the sentence end?

I took lettuce from the package into the salad bowl until the 

[A]: package was empty.


[Q]: How does the sentence end?

Jessica gave her glass of red wine to Erin, because 

[A]:
Erin preferred to stay inebriated.