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—What’s this in English? —It’s ____ eraser.
#33794
A
a
B
an
C
that
D
this
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What _____ useful book! And _____ book is popular with students.
#32651
A
a; a
B
an; a
C
the; the
D
a; the
—What about _____ English-Chinese dictionary on the bookshelf?—In my opinion, it’s _____ useful tool book for my English learning.
#33325
A
a; an
B
an; a
C
the; a
D
the; an
_______ girl with _______umbrella is my consin.
#34055
A
The, the
B
The, a
C
A , the
D
The, an
—Which coat would you like?—I’d like _________ orange one with white flowers on it. 
#34668
A
a
B
an
C
the
D
不填
Let’s ask John to play           piano for the party.
#33802
A
/
B
a
C
an
D
the
不定冠词(a,an)
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