RELATIVE CLAUSES i. Rewrite these sentences, remember to put commas in their right place : 1. Smallpox has disappeared. It once killed thousands of people every year. 2. This is Felicity. You met her sister last week. 3. He swam across the English Channel. It is hard to believe that. 4. Borges was a wonderful writer. He never won the Nobel Prize. 5. Charlie Chaplin died in 1977. His films amused millions. 6. Dr Oley is our family’s dentist. He is a popular dentist in the city. 7. His sisters are identical twins. I saw them last 8. The river is the Sai Gon River. It flows through Ho Chi Minh City. 9. The girls are performing the play. They rehearsed it yesterday. 10. Their parents are anxious about their children. The children come back late