In
1. They are in the garden.
2. He works in a hotel.
3. We went shopping in the morning.
4. The specific car which we see in the picture.
5. The book in the picture is red.
the
1. The boys are happy.
2. Look at the horse.
3. The Pope lives in New York.
4. The dog in the picture is big.
5. The dog's name is Buddy.
an
1. I can see an elephant.
2. Is it an elephant?
3. I have got an umbrella.
4. Sally is an actress.
5. Tennis is an exciting sport.