I believe the answer would be Working to leave the world better than we found it. The other answers are either depressing or have nothing to do with the text.
So you want me to make a sentence that has which, Who and where in it?
How about the Hunger Games? The book is great. I couldn't put it down when I started reading it (Just my opinion) There are 436 pages in the 1st book.
Answer:
He was very proud in them and was very focused in the education
Explanation:
I didn't know you wanted the blanks filled in but from what it did say he did seem very focused in education
stood there waiting for his friend to come up to him.