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Lin Tao is        honest boy, so we all like him.
#33701
A
(不填)
B
a
C
an
D
the
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Although it seemed to be ______ uncomfortable experience, he still found it ______ fun to learn diving.
#33327
A
an; /
B
/; a
C
a; the
D
an; a
—Is it       apple?—Yes, it isn’t.
#34017
A
a
B
an
C
the
D
/
This morning I have _______ art lesson. Art is _______ useful subject. 
#33421
A
a; a
B
an; an
C
a; an
D
an; a
—My son seldom has _______ breakfast.—It is _______ unhealthy lifestyle. You must ask him to change it.
#32852
A
/; an
B
the; an
C
the; a,
D
/; a
This is         3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
#33175
A
a
B
an
C
the
D
/
不定冠词(a,an)
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