Use the correct word:

         _______ is ______house!!

        No/now/know
A little boy didn't know his way to the nearest supermarked. There were no people in the street at this hour, so he had no one to ask. "How can I get to know?" he thought. No matter how hard he tried, he could not remember his mother's explanation. "Now let me try again, "he said to himself and begged, "Let a sign be seen now!", but no sign turned up