[Q]: How does the sentence end?

She could tell the books were newer than the posters, because the 

[A]: books were pristine.


[Q]: How does the sentence end?

She always spray the room with an aromatizante after he smokes a cigarette there, because the 

[A]: cigarette smells bad.


[Q]: How does the sentence end?

Sarah hires Lindsey to be the tutor of her middle school aged kids. 

[A]:
Sarah is the parent.