Complete the table with the comparative and the superlative degrees of the adjectives. Press 'Check' to check your answers.

ADJECTIVE	COMPARATIVE	SUPERLATIVE
fast	faster	the
	dirtier	the dirtiest
cheap		the cheapest
safe		the safest
low	lower	the
clean	cleaner	the
few		the
reliable	more	the most
crowded	more	the
expensive	expensive	the expensive
convenient		the