tall and ...?
tall and short.
long and ...?
long and short
boy and ...?
boy and girl
front and ...?
front and back.
cold and ...?
cold and hot.
cheap and ...?
cheap and expensive
up and ...?
up and down.
dirty and ...?
dirty and clean.
big and ...?
big and small
old and ...?
old and young
hard and ...?
hard and soft.
day and ...?
day and night.
expensive and ...?
expensive and cheap
... and small.
big and small.
young and ...?
young and old
closed and ...?
closed and open
go and ...?
go and stop.
fast and ...?
fast and slow.
happy and ...?
happy and sad.
dark and ...?
dark and light.
clean and ...?
clean and dirty