помогите не разумею вообщем

1.
2) a dog
3) an apple
4) a house
5) an orange
6) an old woman
7) a map

2.
2) There are pens on the table.
3) Give me some milk.
4) I want an orange.
5) My sister is a doctor.
6) Her mother is an actress.
7) I have got three dogs.

3.
2) Mary has got a cat. The cat is black.
3) This is a book. The book is interesting.
4) We have got a house. The house isn't very big.
5) Tennis is a game.
6) My grandmother is a nice woman.
7) I want to go to the supermarket.