There isn't ... water in a glass.
any
There isn't ... milk left! We have to buy it.
any
This is ... orange.
an
There aren't ... biscuits.
any
There is ... butter.
some
Have we got ... bread?
any
There are ... potatoes.
lots of
I haven't got ... apples.
any
There are ... hamburgers.
a lot of
There is ... cheese.
some
There isn't ... cola.
any
There is ... water.
a lot of
There are ... cupcakes.
some
There are ... apples.
a lot of
There are ... eggs.
lots of
There is ... chips.
a lot of
There are ... cherries.
some
There's ... big, chocolate cake.
a
There is ... milk.
some
There is ... nutella.
some