The punciution hope this helps
Answer:
11year,650 pupils,friends,worried, commitment, colleagues-the people you work with, donation-money or goods given it a person or organization, commitment -a promise or firm decision to do something, vocation-slowly over a period of time
Answer:
1. He must have just triped or accidentally hit her.
2. I should go aplagize to my parents.
3. He may have changed scince i last saw him.
4. She might be in trouble.
5. I can't understand what the teacher is teaching.
6. He might flake on us again.
Explanation: