Answer:
1. Germany, England, and Spain are lemon.
2. It is sweet. It isn't sour.
3. Copper is.
4. Airplanes are.
5. Ice cream and candy are.
6. Today is.
7. My brother is single.
8. I am from Turkey. I am not from Canada.
9. Maths is hard. It isn't easy.
10. Mariah is a beautiful girl. She isn't ugly.
11. Diamonds are expensive.
12. They are slow. They aren't fast.
13. It is sweet.
14. It is cloudy.
15. He is married.
16. He is bright.
17. Cities are expensive.
Step-by-step explanation: