The invention of artificial hearts marked a turning point in the battle ________ heart disease.
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A
among
B
for
C
against
D
between
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From the teacher’s patience and understanding, I have learnt what a big responsibility______is to educate us.
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A
this
B
that
C
it
D
one
On May 12, 2008, southwestern China was hit by an 8.0 Richter scale earthquake, from _____ effects the people are still suffering.
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A
that
B
whose
C
those
D
what
Cars do cause people some health problems, in fact far more serious _____ than computers do.
#15117
A
one
B
it
C
ones
D
those
We shouldn’t take_____ for granted that our parents will take care of us forever.
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A
this
B
that
C
them
D
it