A. Punctuate adjective clause.
1. A country that has a king and queen is called a monarchy.
2. England, which has a queen, is a monarchy.
3. A pediatrician is a doctor who take care of children.
4. Dr. Jones, who is our neighbor, is a pediatrician.
5. Students who studied got as a final exam.
6. Gabriela and Trinh, who studied got as on the final exam.
7. My birthday is next Monday, which is a holiday.
8. A holiday that is especially fun for children is Holloween.
B. Add commas where they are necessary in the following paragraph.
The story of Coca-Cola
A popular beverage that is sold all over the world is Coca-Cala. A doctor who lived in Atlanta, Georgia, invented it in 1886. Dr. John Pemberton, who was also a pharmacist, first sold Coca-Cola as a nerve tonic, stimulant, and headache medicine. The name of the dark brown syrup that made people feel better was "Pemberton's French Wine Coca-Cola." Later, someone added soda water to the syrup and it became the beverage that is our modern Coca-Cala. The first part of the name(coca) comes from cocaine, which was one of the original ingredient. The second part of the name (cola) comes from kola nut, which is still an ingredient. The original formula has changed over the years. Of course Coca-Cola no longer contains cocaine which is an illegal drug, but it still tastes delicious. The formula for Coca-cola is a secret that is carefully guarded.