[Q]: How does the sentence end?

Kayla gave Rachel a boost up onto the roof, because

[A]: Kayla wanted to be a helpful person.

[Q]: How does the sentence end?

Our dinner was at a restaurant, but our breakfast was homemade as the

[A]: breakfast was simple to cook ourselves.

[Q]: How does the sentence end?

After viewing the advertisement designed by Samantha, Kayla wanted to buy the product because

[A]:
Kayla was gullible.