Answer:
17 - "These are some of things we helped him with."
Explanation:
14 - is wrong because it should be: My dad said,"If I was smarter, then I would've called first."
15 - is wrong because it should be: "For our next vacation, he enlisted us to help out and be better prepared."
16 - is wrong because it should be: "We worked hard to find out all the information we could."