[Q]: How does the sentence end?

He had a choice between a Cadillac with high top speed or a slower Audi with all-wheel drive. He chose the 

[A]: Cadillac because the track was dry and straight.


[Q]: How does the sentence end?

Nelson was nice and Kyle was mean, which explains why 

[A]: Kyle had all the contrary friends.


[Q]: How does the sentence end?

Benjamin received a raise at work before Neil did because 

[A]:
Neil isn't a very hard worker.