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