day and ...?
day and night.
happy and ...?
happy and sad.
cold and ...?
cold and hot.
front and ...?
front and back.
closed and ...?
closed and open
near and ...?
near and far.
full and ...?
full and empty.
up and ...?
up and down.
tall and ...?
tall and short.
laugh and ...?
laugh and cry
boy and ...?
boy and girl
hard and ...?
hard and soft.
go and ...?
go and stop.
fast and ...?
fast and slow.
big and ...?
big and small
... and small.
big and small.