[Q]: How does the sentence end?

At the smoothie bar Victoria decided to buy Erin their first wheatgrass smoothie, because 

[A]: Victoria thought they were delicious.


[Q]: How does the sentence end?

It's easy for Betty to make new friends but difficult for Sarah as 

[A]: Sarah is an introvert.


[Q]: How does the sentence end?

That big red and shiny apple could not fit in the tiny jar because the 

[A]:
jar is too small.