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?