1. it
2. big
3. red
4. black
5. the dog
6. dog
7. dog
8. happy
9. big
1 There is a big table in the living room
2There is a new computer in the corner
3 there are beautiful pictures on the walls
4 there is a bed in the bedroom
5 there are chairs round the table
6 there are toys under the bed
7 there is a thick carpet on the floor
8 there is a comfortable sofa in the living room
9 there is a bath in the bathroom
10 there is a washing machine in the kitchen
11 there is a small bookcase in the study
12 there are funny posters on the walls
14. a
15. b
16. с
17. b
18. c
19. c
20. b
21. a