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一What's behind          door? I can't open it．   一Let me see．Oh,there's a chair．  
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a
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an
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the
D
／
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推荐题目
That is ________ interesting work.
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an
B
a
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the
D
/
There is ________ “m” and ________ “u” in the word “much”.
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a; a
B
an; an
C
a; an
D
an; a
---Eddie has     e-dog at home．---Oh, really?
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the
B
a
C
an
D
／
_____ hat is Mrs Li's. It's _____ old one.
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A, a
B
The, a
C
The, an
D
A, an
There is ____ elephant in the zoo._____elephant likes bananas.
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/;An
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an ;The
C
a ;The
D
an; /