[Q]: How does the sentence end?

On their visit  yesterday Jeffrey said the lack brushing Ian teethe had caused the to become brittle, 

[A]: Ian went to the dentist.


[Q]: How does the sentence end?

Adam used crystals instead of modern medicines to heal his wounds because he believed the 

[A]: modern medicines to be less effective.


[Q]: How does the sentence end?

Olga had an easier time reading the book than the note because the 

[A]:
book was printed.