Ifyou’resittingaroundalonelycampfireatnight,thehowlofawolfcansoundpretty______.

In 1900, the energy derived from burning petroleum was only four percent ______ of coal.

Wehopedtobeabletomoveintoournewhouseattheendofthemonth,butthingsdidn’t______asweexpected.

______ we can hope for is to avoid complete failure in the coming game with that strong team.

Homingpigeonisusefulasa______carrierbecausewhentakenfromhome,itwillreturnatthefirstopportunity.