Zach, normally as active as a fly in a doughnut shop, was on his stomach sleeping quietly.

alliteration is the repetition of the same or similar consonants. having that in mind, i would say that the correct answer is: so shows a snowy dove trooping with crows.

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one