Mark the opposites of the given words:
Common
Uncommon
Specific
Standard
Mean
Love
War
Hatred
Envy
Anger
Always
Forever
Never
sometimes
often
Lock
suppress
Unlock
allow
break
Rare
Special
Rear
Front
Flexible
Hard
Rigid
straight
Stretchable
Worse
Worst
Better
Bad
Good
Zenith
Sharp
Edge
Finish
Bottom