用“is”或“are”填空。

1. What ___________ this?

2. Those ___________ cabbages.      

3. ___________ these carrots? Yes, they ___________.  

4. What color ___________ the frog?     

5. That umbrella ___________ red.     

6. There ___________ three people in my family.      

7. How many rooms ___________ there? There ___________ four.     

8. There ___________ only one cat.     

9. My favorite color ___________ orange.      

10. What color ___________ those butterflies? They ___________ purple.