[Q]: How does the sentence end?

Emily needed to get a new bra so Kayla helped pick one out at the department store by 

[A]: Kayla asking for bras in the dressing room.


[Q]: How does the sentence end?

Rachel made more mistakes on the test than Cynthia so 

[A]: Cynthia had a higher score.


[Q]: How does the sentence end?

Jason was holding Donald prisoner in a cage for days because 

[A]:
Jason was a serial killer.