Look at the sentences and do the exercise.
1. A pretty gift, some pretty gifts.
2. A sad news, a sad boy.
3. A new client, some new female clients, some new clients.
4. An intelligent student, an intelligent female student.
5. An easy course, an easy walk, some easy walks.
6. The first choice, the first candidate.
7. An expensive car, an expensive book, expensive clothes.
8. A good trip, a good proposal, good memories.
9. A white hat, a white dress.
10. An orange flower, some orange flowers, an orange balloon.