Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
.The detective, ______to read a newspaper, glanced at the man ______next to a woman.
It’s not right to ______ the poorer people of the world.
.Three-fourths of the buildings ______.
Mary is one of the girls who ______ always on time.
It was so cold that they kept the fire ______ all night.