The apostrophe

The ______ nuts were hidden in several hollow trees throughout the forest.

• squirrel'

• squirrels

• squirrels'

• squirrels's

All ______ friends are coming to his surprise party.

• Elias'

• Elias's

• Elias

• Eliass'

The _____ are meeting today in Liverpool.

• CEOs's

• CEOS'

• CEO's

• CEOs

What were they obsessed with in the early ____?

• '80s

• 80s

• 80's

• '80's

Please go away, we are discussing some _____ issues.

• womens's

• women's

• womens'

• women'

Ten years ago, people used to buy a lot of ____. Nowadays, everything is online.

• DVDs

• DVDs'

• DVD's

• DVD's'