Помогите пж, можно решить только 3, 4 и 5, но лучше всё

3.
1.Their flat is on the fourth floor
2.The chute is rubbish to carry down
3.There are a lot of pictures on the walls

4.

1.Is there
2.Are there
3.Is there
4.There are
5.There is

5.
2.Negative
3.Interrogative