The answer is summarize your main points. My english teachers have been hammering this into me for like 4 years so I know this is right.
Answer:
4. Were you able to arrange
5. We are not able to answer
6. Are we able to get
7. I'd love to be able to play
8. We really enjoy being able to swim
Explanation:
just insert the words where they make sense (and change the tenses)