The adverb " very " modifies the adjective " useful ".
<span>The girl to be known as phillis wheatley was taken __________________________.
a. captive aboard a slave ship in america and sold in ney york </span>
Robert Walton<span> is the captain of a ship traveling to the North Pole. </span>Walton<span> is searching for a Northern passage to the Pacific, and </span>his attitude<span> is one of determination. He is determined to accomplish "some great purpose."</span>