[Q]: How does the sentence end?

It was easy for Rebecca but not Erin to be in good health because 

[A]: Erin exercises just one day a week.


[Q]: How does the sentence end?

I wanted a treat either chocolate or watermelon. I chose the 

[A]: chocolate although it was sweet.


[Q]: How does the sentence end?

It is a lot easier to carve a pumpkin than a cantaloupe because the 

[A]:
cantaloupe has much harder skin.