its
ours
mine
yours
family's
families'
man's
men's
girl's
girls'
hers
theirs
brother's
brothers'
teacher's
teachers'
aunt's
aunts'
boy's
boys'
Challenge Words
country's
countries'
witness's
witnesses'
laboratory's
laboratories'
ours
mine
yours
family's
families'
man's
men's
girl's
girls'
hers
theirs
brother's
brothers'
teacher's
teachers'
aunt's
aunts'
boy's
boys'
Challenge Words
country's
countries'
witness's
witnesses'
laboratory's
laboratories'