—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
I'll spend half of my holiday practicing English and ________ half learning drawing.
A.another B.the other
C.other's D.other
September 18th, 1931 is a special day, ________, I think, that will be remembered by the Chinese forever.
A.one B.it
C.which D.that
—Shall I attend my friend's comingofage ceremony, Mum?
—No, unless you see to ________ that you will be home before 1000 PM.
A.one B.this
C.it D.her