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This is_________interesting work．We really enjoy it.
#33887
A
a
B
an
C
／
D
the
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This is _______ empty bottle. But it is  _______useful one.
#33687
A
a; a
B
an; a
C
an; the
D
a; an
It’s ______ exciting thing for ______eight-year-old girl to find _______ UFO.
#32528
A
a; a; a
B
an; an; a
C
an; a; an
D
a; an; an
_____ history of this special island brought _____ unusual feeling to me.
#34002
A
The; a
B
The; an
C
A; an
D
A; a
-Look! What's that? -I think it's         bird.
#32368
A
a
B
an
C
the
D
/
Mr Wang has worked as _______ English teacher for more than 10 years.
#34492
A
/
B
a
C
an
D
the