[Q]: How does the sentence end?

It was urgent that Elena but not Kayla had health coverage because

[A]: Elena had many health problems.

[Q]: How does the sentence end?

The jars failed to preserve the food, while the cans worked very well, as the

[A]: jars left the food exposed to bacteria.

[Q]: How does the sentence end?

Christopher bought Benjamin a comic book for his birthday because he knew

[A]:
Benjamin liked comics.