AB p 3 Ex 1,2 помогите

1 class
2 desk
3 notebook
4 ruler
5 rubber
6 chalk
7 duster

Are there two rubbers and a ruler on the desk
there are two rubbers and a ruler on the desk, are not there
How many rubbers and rulers are there on the desk
Are there two rubbers and a ruler on the desk or four pencils
What are there on the desk