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
D. When you assign group roles, you split up the work and give everyone a job to do and they are held accountable for that part of the work for the whole group
There is not a valid answer choice, but go with sentence 3 because C is always right