[Q]: How does the sentence end?

Brian asked Kenneth to sharpen his knives for him by tomorrow because 

[A]: Brian needs them for cooking.


[Q]: How does the sentence end?

She prefers to cook with a pan with plastic handle instead of metal handle, because the 

[A]: metal handle is more heat-conducting.


[Q]: How does the sentence end?

Kyle filed the papers for his client, Leslie, because 

[A]:
Kyle worked as a disability attorney.