[Q]: How does the sentence end?

Justin asked Steven if they had bought fish when they were at the grocery store because 

[A]: Justin could not remember.


[Q]: How does the sentence end?

His calculation was off, so he used a calculator instead of working it on a piece of paper. The 

[A]: paper was plain.


[Q]: How does the sentence end?

The plan was to have Lawrence be the guest speaker and not Christopher, however 

[A]:
Christopher was free that day.