The World Expo 2010 is being held at a time the world is looking for a new kind of balance between nature and cities．
#69967
A
when
B
where
C
which
D
that
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The reason __________ he explained is not __________ I expected．
#69386
A
why; that
B
why; what
C
that ;what
D
that; that
, we could forgive him for his mistakes!
#70023
A
Were he still a child
B
If he is still a child
C
Did he realize he is wrong
D
He were still a child
This camera is of good quality. If it ______ break down within the first year, we would replace it with a new one.
#66991
A
would
B
might
C
could
D
should
It is worth pointing out that the mishearing or misunderstanding of instructions in English, and the use of another language, in an international conversation, ______ two recent aircraft accidents.
#68380
A
leading to
B
to lead to
C
led to
D
have led to
Gun control is a subject Americans have argued for a long time.
#74509
A
of which
B
with which
C
about which
D
into which