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some/
many
pencils
chairs
snakes
doctors
These...
These words have no s.
These words have an s.
a/an/
one
two/
some/
many
... ...
apples
rooms
flowers
This ...
These ...
This is a ______.
These are many ______.
This is a _____.
These are three ______.
This ...
a/an/
one
...
box
bus