1. This is a doll. - These are dolls. 2. That is a bus. - Those are buses. 3. This is a fox. - These are foxes. 4. That is a leaf. - These are leaves. 5. That is a brush. - Those are brushes. 6. This is a man. - These are men. 7. This is a toy. - These are toys. 8. This is a mouse. - These are mice. 9. This is a woman. - These are women. 10. That is a child. - Those are children.