--- How many of you have solved the math problem?--- ________, the math problem is far too difficult for us to work out. .
—What do you think of Billy, the shortest boy in our class? —I think he is _________ honest boy.
—Congratulations! You got the first place in the drawing competition. —_______
Last Sunday I went shopping with my mother ________ bought nothing.
Helen has _______ beef of us all.
They _______ the fire and helped the old man out.