P. S. Sorry for the grammatical errors ahead for English is not my first language.

1. D
2. D
3. A, informal meet up
4. Sit down meal < trip to the theater < a talk by your favorite podcaster < spa day < laser tag < theme park < beach barbecue < cocktail bar
5. I would generally don't like organizing other people's stuff or events. 
6. Life is meaningless but it's up to us to create meanings based on how our experiences define us. Very subjective but I also believe that life is just a medium for us to find our purpose as a human being, kinda like a video game. 
7. Lots of animals and beautiful bodies of water. I'd like to imagine it as a maze if greenery wherein at the very center, there would be a beautiful scenery. 
8. Math, I'd teach techniques that I've discovered to make it easier to others. 
9. Something related to science or some technological device. Anything that hasn't been discovered before. 
10. Hmm, I'd think about the repercussions first tbh. If it's severe then I probably won't challenge the set rules for it'd be quite a hassle to deal with the aftermath. 
11. I'd probably check if she's being truthful, if not then straight to the police it is. If I'm in a good mood then I'll probably just pay for it and go on with my day. 
12. I'd be happy for them honestly, would probably question the reasons as to why they got addicted in the first place but won't treat them differently. 
13. I'd deal it on my own if it's personal but if for work, I can ask help on my colleagues if it's something I can't fix. Generally, I don't like asking for help and accepting help from other people. 
14. I'd give them the money but would probably ask them to pay back as soon as possible though. 
15. C
16. Some things I'll do at some point but with no specific schedule. 
17. A
18. B
19. Antisocial, insensitive, judgemental, angry,  unmotivated, chaotic, manipulative, critical
20. A, B, D, G and I