Multiple choice softskills communication

There are parts of the Cordilleras were you can hear loud ________of your voice if you shout loud enough.

  1. echos

  2. echoses

  3. echos'

  4. echoes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Echoes is the correct plural form - when a word ends in consonant + o, add -es to form the plural. Echo ends in a consonant sound, so it becomes echoes. Echos is incorrect spelling.