[Q]: How does the sentence end?

Katrina cooked a chicken for Mary, since

[A]: Mary did not how to cook a chicken very well.

[Q]: How does the sentence end?

Bill poured the entire bag of soil into the flower pot until the

[A]: bag was empty.

[Q]: How does the sentence end?

Henry fixed the door and not the wall in the apartment because the

[A]:
wall was just fixed.