Complete the following sentences with the appropriate forms of the nouns given 1. The mother looked on in at her children's sufferings. (agony) 2. Mary went through finishing her exam paper. (agony) 3. His method of teaching is based on . (experience) 4. Mr. Fordham had some curious and novel . (experience) 5. Genius displays itself even in . (youth) 6. That day she met Dave, about 20 years old. (youth) 7. My children are to me. (great, help) 8. The boy had of mathematics. (good, knowledge) 9. Her hair is black. Whenever she finds , she pulls it out. (gray, hair) 10. He is looking for . (work)