1. A / AN / SOME
A PAIR OF

2. A pair of shoes
A pair of boots
A boot
Two pairs of shoes
A pair of socks
A sock
A pair of gloves
A glove

3. A hat
Two hats
A dress
Two dresses
Two umbrellas
An umbrella

4. (A pair of) pants
(Two pairs of) pants
(Two pairs of) trousers
(A pair of) trousers
(A pair of) jeans
(Two pairs) of jeans

5. (A pair) of shorts
(Two pairs of) shorts
(A pair of) glasses
(two pairs of) glasses

6. Some eggs
A banana
An egg
Some bananas
A sandwich
Some sandwiches

7. Some hamburgers
A hamburger
Some sausages
A sausage
Some pizza
Some French fries

8. Some meat
Some ice-cream
Two ice-creams
An ice-cream
Some coffee
Some cheese
Some milk and some biscuits
Some chocolate
Some bread and some coke
Some cake
A cake