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President Obama told television viewers that he saw ______ as his duty to run for a second term.
#15249
A
one
B
that
C
this
D
it
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Good health is __________ most people take for granted--- until they lose it .
#15136
A
anything
B
everything
C
nothing
D
something
I would appreciate________ if you could offer some help when I am in trouble.
#14599
A
this
B
it
C
you
D
that
Mr Black,          who we all admire, is a kind but strict teacher．
#15378
A
the one
B
it
C
one
D
as
 Tom told me that he needed a chair and that soon he found ________.
#14722
A
it
B
that
C
one
D
the one
We ________for cheap houses but haven’t found ________we like yet.
#14699
A
are looking；one
B
have looked；it
C
have been looking；one
D
looked；them