“Aha, you’re a chain smoker!” “Only at home. Nobody _______ that but you.”
The rules of our school don’t allow ______ at school. That is to say, Nobody is allowed _____ here.
There were two teachers named John ________at our school, which made some of our students _____.
They always communicated with each other on the Internet, but they never met him _____________.
--The room is so dirty.____ we clean it? ---Of course.