[Q]: How does the sentence end?

Justin always played funny jokes on Leslie at high school because 

[A]: Justin was a prankster.


[Q]: How does the sentence end?

He thought he had time to take the scenic route to the store, but the 

[A]: store was closed early.


[Q]: How does the sentence end?

Nick loves cheesecake much more than Neil does because 

[A]:
Nick has a really bad sweet tooth.