1.happy/children
The children are happy. They are happy children.
2. dirty/restaurant
The restaurant is dirty. It's a dirty restaurant.
3. heavy/books
The books are heavy. They are heavy books.
4. cold/house
The house is cold. It's a cold house.
5.quiet/village
The village is quiet. It's a quiet village.
6.not/cheap/clothes
They're not cheap clothes. The clothes aren't cheap.
7. pretty/garden
The garden is pretty. It's a pretty garden.
8.difficult/language
The language is difficult. It's a difficult language.