--I hear you are not allowed to eat in class. ---Right. It’s one of the ___________in our school.
Bill Grates is one of ______ people in the world.
Susan is so worried because she ______ her ticket, then she can’t go to England on time.
______ on the light, Tony. It is too dark in the room.
He kept writing the book _____ he was in great pain.
–Sam, could you please turn down the radio? Your sister _____ in her room. --OK, Mum.