What is it?
It is a piece of furniture.
What are they?
They are two pieces/slices of bread.
What are they?
They are four cups of coffee.
What are they?
They are six pieces/slices of pizza.
What are they?
They are three glasses of water.
What are they?
They're three bars of chocolate.
What is it?
It is a piece of cheese.
What are they?
They are two bowls of soup.
What is it?
It is a cup of coffee.
What are they?
They are two glasses of beer.
What is it?
It is a bowl of rice.
What are they?
They are two bottles of milk.
What are they?
They are two loaves of meat.
What are they?
They are six slices of cheese.
What are they?
They are two glasses of orange juice.
What is it?
It is a piece/sheet of paper.