Complete the sentences with the appropriate words from the list: honest, hard-working, patient, ambitious, stubborn, optimistic, sensitive, sociable, modest, generous.

1. Charlie is top of his class because he is very hard-working and studies a lot. 2. Grandparents are usually very generous with their grandchildren and give them lots of presents. 3. Our teacher is a very patient person and never gets angry with us. 4. Although the scientist has a Nobel Prize, he is quite modest about his achievements. 5. Kate is really sociable and loves being with other people. 6. He is so honest; I've never heard him tell a lie in all the time I've known him. 7. Betty is a very sensitive person and understands people's feelings and problems. 8. I like Jason because he is optimistic; he always looks on the bright side of things. 9. My father is so stubborn; when he makes up his mind about something he doesn't change it. 10. The young lawyer is very ambitious and wants to go to the top of his profession.