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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
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________ your composition carefully, some spelling mistakes can be avoided.
#67555
A
Having checked
B
Checking
C
If you check
D
To check
The factory was built in a secret place, around ______ high mountains.
#73353
A
which was
B
it was
C
which were
D
them were
 I have made great progress ________ his help. Which of the following is not correct?
#69899
A
with
B
because of
C
as a result of
D
because
David is such a good boy        all the teachers like.
#69977
A
that
B
who
C
as
D
whom
Even if there is no scientific proof        secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
#67696
A
which
B
that
C
when
D
where