[Q]: How does the sentence end?

The teacher told Lindsey to stay after class but not Carrie because 

[A]: Carrie was being polite.


[Q]: How does the sentence end?

Patricia knew they were beautiful but not Monica because strangers would tell 

[A]: Monica they were homely.


[Q]: How does the sentence end?

Kevin was keen to get the landlord to make some renovations but Neil didn't care, because 

[A]:
Kevin was moving in.