Depressed
Very sad
A _________ of sheep.
Flock
A ___________ of puppies / kittens.
Litter
Frequently / often
Usually / many times
Swift
Fast
Miserable
Suffering and very sad
Elated
Very happy
A ___________ of chickens.
Brood
Disheartened
Disappointed, discouraged
Timid
Not brave
Agile
Able to move easily and quickly
Rarely
Very few times
A _____________ of mice / rabbits.
Nest