The correct plural form of echo is echos or echoes. Either way it is grammarly correct. I believe that echoes is the correct form.
echoes
Answer:
Harry Potter and the Deathly Hallows by JK Rowling review – a send-off fit for a wizard. By book seven, if you are familiar with Rowling's vast, quarters, that Rowling's writing is not merely mediocre but contaminated by her
Answer:
Most likely answer choice 2
Explanation:
:<
The answer should be <span>C. Ivan Ilyich ordered Gerasim to tend to him, and Gerasim always obeys his master's orders. Hope this helped. </span>