[Q]: How does the sentence end?

The boy tried to clean the chimney with a brush and a rag, but the 

[A]: rag became dirty.


[Q]: How does the sentence end?

The cat was shedding, so we went with the bath treatment instead of the medicine since the 

[A]: treatment was available.


[Q]: How does the sentence end?

Kevin was a better baker than Hunter so 

[A]:
Hunter could create an ugly flan from the oven.