Объяснение:
1. It is a sock. They are socks.
2. What is this? What are these?
3. This is a black shoe. These are black shoes.
4. He is here. They are here.
5. He is a child. They are children.
6. He is a man. They are men.
7. She is a woman. They are women.
8. He is a boy. They are boys.
9. You are a student. You are students.
10. This is a computer. These are computers.