Since the instructions say use the last simple negative form, these are the answers:
1. David did not watch
2. Carol did not appear
3. did not book
4. did not close
5. did not follow
6. did not disappear
7. did not wait
8. did not recognize
9. did not identify
10. did not apologize
11. did not like
12. did not admit
The best way to minimize misunderstandings is to remove the restoration in the medium between the speaker and the listener.
Yes, I agree you have to look at your own school.
First, ask yourself: is there bullying in your school? (I can give you an example of my school: there wasn't)
Then ask youself: how can you know that there is? what have you seen? have you seen people crying, being beaten, being forced to do something they didn't want to?
And finally, look into the reasons - i can tell you that my school was so small that we all knew each other's parents, so noone would bully someone while knowing their paretns so close.
"To take care of all it's needs". If a large creature's needs can not be met, it will die. Therefore, this would be the answer to your question.