—The number of the students in our school is about nine ____. ____ of them are boys.—I think so.
--____ is your school from here?-- About one kilometer.
--____ does it take you to get to school?-- About twenty minutes.
--_____do you get to school?-- Of course by bus.
---- You like to surf the Internet. Do you know the meaning of “WWW”?---- Of course. It means _______.
Grandfather doesn’t often So he isn’t good in heath.