[Q]: How does the sentence end?

Angela stared bewildered as Katrina explained you could use vitamin C to lighten hair dye because 

[A]: Katrina was knowledgeable.


[Q]: How does the sentence end?

Brett bought the airplane tickets for Joel and their family after 

[A]: Brett checked their account.


[Q]: How does the sentence end?

Christine was more ugly than Tanya so the guy asked 

[A]:
Tanya out on a date.