[Q]: How does the sentence end?

Donald has a lot of depression in his life compared to Hunter because 

[A]: Donald struggles with everything.


[Q]: How does the sentence end?

Katrina was sitting closer to the door than Jennifer, so 

[A]: Katrina was asked to close it.


[Q]: How does the sentence end?

At the restaurant, the steak tasted charred, while the seafood was fantastic, so the 

[A]:
seafood was cooked properly.