[Q]: How does the sentence end?

Kenneth cooked a nice meal of spaghetti for Donald at dinner because

[A]: Donald likes Italian food.

[Q]: How does the sentence end?

The boy wore jeans instead of shorts because the

[A]: shorts would keep him feeling cool in the cold.

[Q]: How does the sentence end?

Derrick left the room after becoming annoyed by Samuel's constant complaints about his hemorrhoids, because

[A]:
Derrick was insensitive.