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 His father is      engineer. He designed such     useful machine    
#33029
A
a an
B
an a
C
an an
D
a a
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____ one-hour documentary takes ____ close look at the life of giant pandas in Wolong.
#34230
A
An, a
B
The, a
C
The, /
D
A, the
There is ________advertisement about the clothes store. You can have a look.
#32548
A
a
B
an
C
the
D
/
        man in a black hat is my PE teacher. He often plays        football with us.
#33200
A
A; the
B
The; a
C
The; /
D
A; /
— Be careful! There is _______ dog lying at the gate. — Thanks a lot.
#33393
A
a
B
an
C
the
D
/
- How do you like _____ weather in Zhenjiang?- Warm and pleasant! I like it very much.
#32192
A
a
B
an
C
the
D
/
不定冠词(a,an)
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