---Why not stop __________ a rest?--- Oh, it’s so exciting that I can’t stop ____________ the model plane.
— How many students in your class have visited the White House? —______.
E-mail me______ Lucy @ sina.com or call me______ 55888301.
You ______ to the meeting this afternoon if you have something important to do.
—Would you mind turning down the music? —______ .
—TV and computer are so popular these days. —Yes, they can______ our eyes to the outside world.