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This is_________interesting work．We really enjoy it.
A．a
B．an
C．／
D．the
Here is ________ action movie.
[ ]
A
B
C
D
Look! There is______________ African Elephant over there.
C．the
D．／
Can I have ________ look at the photo of your pen friend?
A．a B．an C．／ D．the
Bill was ill in ________ hospital yesterday.