Answer:
1. Hit it off (made it work)
2. Catch up (find out what someone has been doing)
3. Pick on (Make fun of, bully, abuse, mock)
True!! It always helps to know what you're doing before you do it!
The answer to the question genetic modification of cash crop foods are Audience: people who care about their food and Purpose: let people know more about food.
I would suggest working on word choice, since you used the same words many times in the essay.
That is the answer. :)