The teacher assigned the task to the three boys and ________ did his share.
A．any B．all
C．every D．each
If you don't go after what you want, you will never have ________.
A．one B．it
C．them D．these
—What are you two whispering about over there?
—Oh, ________. Just small talk.
A．no B．nobody
C． none D．nothing
—What do you think of modern music?
—It is often considered not as good as ________ of the past.
A．it B．that
C．this D．one
A US report predicts that in 15 years' time the economy in Asia will be larger than ________ of North America and Europe combined.
A．what B．that
C．one D．those
Frankly speaking, ________ of them knew what the other was doing that morning.
A．none B．neither
C．some D．all
