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
推荐题目
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
#15458
A
who
B
which
C
that
D
what
________needs further discussion whether we’ll build a library or not.
#16494
A
We
B
He
C
It
D
The thing
The CDs are on sale!Buy one and you will get___________completely for free．
#14884
A
it
B
others
C
that
D
one