Irregular Plurals

They could only hear the _____ of their own voices.

• echo

• echoes

Guatemala is a country that has several _____.

• volcano

• volcanoes

Last night I could hear a pack of _____.

• wolfs

• wolves

Muslim men can have as many _____ as they can afford.

• wifes

• wives

All the _____ in the USA wear a badge.

• sheriff

• sheriffs

This album has a lot of _____ of our trip to the beach.

• photo

• photos

My kitchen cabinet´s _____ are full.

• shelf

• shelves

I have played _____ since I was 10 years old.

• domino

• dominoes

USA has several _____ during the year.

• tornado

• tornadoes

We collected all the _____ after interviewing all the candidates.

• datas

• data