acupofcoffee

apieceofnews

atubeoftoothpate

apiece/sheetofpaper

apiece/sliceofbread

apiece/bitofadvice

abottle/glassofwater

apackofwolves

apairofshoes

aflockofbirds/chickens

agroupofpeople

acircleoffriends

aswarmofants

acollectionofcoins

acrewofsailors

afieetofships

aschoolofwhales

agangofhooligans

astringofpearls

aherdofcattle/elephants