[Q]: How does the sentence end?

Maria got a new macbook and asks for Kayla's advice on using it, because 

[A]: Maria has no experience with macbooks.


[Q]: How does the sentence end?

The new baby crib Bill purchased would not fit through his front doorway. The 

[A]: doorway was too narrow.


[Q]: How does the sentence end?

The boy tried to focus his attention to watch the movie but the 

[A]:
attention was too short.