--- Oh! I came in a hurry and forgot to bring food.--- Never mind. You can have some of ____.
—Do you like math? —Yes, it’s difficult ________ really interesting.
—I think this ________ is too short. —What about the _______ one?
—Where is my schoolbag, mom? —It’s _______ your room.
—What’s your favorite ________? —It’s science.
—______ your brother ______ a basketball? —Yes, he does.