---Is this your brother? --- .A. Yes, he is. B. Yes, she is C. Yes, it is
—What is on the desk?—There ________ a book and two pens on it.
—________ there a library near the post office?—Yes,there ________.
—________—Thanks.I want to buy an MP5.
—What class are they having?—Math.Their math teacher is ________ the classroom.
The zoo is ________ your home.You have to go there by bus.