Đổi các câu sang dạng số nhiều.
Ex: There is a hotel near the house. -> There are hotels near the house.
1. This school is old.
2. There is a market near the factory
3. Is Lan's sister beautiful?
4. It's a small house.
5. Is your room big?
6. No, it isn't. It's new.
7. There is a tree behind the house.
8. He is our teacher.