The invention of artificial hearts marked a turning point in the battle ________ heart disease.
#14703
A
among
B
for
C
against
D
between
推荐题目
Someone is ringing the doorbell . Go and see ____________.
#14574
A
who he is
B
who is he
C
who is it
D
who it is
Milton didn’t choose of the T-shirts and went away without looking at a third one.
#16180
A
any
B
either
C
all
D
both
. I'd really appreciate ________ if you would turn off the lights before you leave.
#15518
A
you
B
that
C
as
D
it
Is this TV set___ you wish to have___?
#15947
A
the one; repaired
B
which; it repaired
C
the one; it repaired
D
which; repaired
.Bicycles made in China are cheaper than ________ made in Japan, but almost as good in quality.
#16239
A
ones
B
it
C
that
D
those