C) Fill in the blanks using "AM, IS, ARE, AM NOT, ISN'T, AREN'T": 1. Germany, England, and Spain ............, cities, 2. A lemon ............ sweet. It ........ sour, 3. Copper ........... cheap. Diamonds ............ expensive. 4. Airplanes ........ slow. They .......... fast. 5. Ice cream ond candy ........ sweet, 6. Today ......... cloudy. It ........ bright. 7. My brother ......... married. He ...... single. 8. 1......... from Turkey. I ........ from Canada, 9. Maths ......... hard. It ... casy. 10. Mariah ... a beautiful girl. She ......... ugly. .