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We are worried about ____ they can be rescued.
#34249
A
that
B
whether
C
if
D
what
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The result of the study indicated that it was the type of fat ______ made the difference.  
#33443
A
that
B
what
C
who
D
as
Our class will go to the National Park next Sunday ——________ it rains, of course.
#31174
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when
B
unless
C
for
D
whether
 ________ he can work abroad next year will depend on his parents' will. 
#30304
A
That
B
When
C
What
D
Whether
The homework is not as heavy as ________he used to get. All________ he needs to do is improve English.
#31640
A
what, that
B
that, which
C
which, that
D
what, which
(2010·安徽)It was from only a few supplies that she had bought in the village ________ the hostess cooked such a nice dinner.
#30455
A
where
B
that
C
when
D
which
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