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It’s an________.
#33856
A
key
B
pen
C
quilt
D
English book
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—Have you ever seen ____ pen? I can’t find my pen anywhere. --Is it ____blue one? It is under the book.
#34136
A
a; the
B
the; a
C
a ; a
D
the ; the
 I get _____ flu. I should see a doctor at once.
#32010
A
a
B
/
C
the
D
an
There is ________ invitation on the desk. _______ invitation is from Lucy.
#33760
A
an; An
B
the; An
C
an; The
D
the; The
——Look at _____ handbag. I bougt it for my sister, isn’t it nice?——Oh, what _____ nice present!
#33620
A
a, a
B
a, the
C
the, a
D
a, /
There is      insect on the ground. The child is very interested in it.
#32065
A
a
B
/
C
the
D
an
不定冠词(a,an)
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