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It is ________ eraser. 
#34687
A
a
B
/
C
an
D
two
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---What do you think of Tom? ---He is ________ honest boy. He can play ________ piano very well.
#32638
A
a; an
B
an; a
C
an; the
D
a; /
I had __________ unusual experience last week.
#33444
A
a
B
an
C
the
D
/
—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
There is __________ “u” and __________ “n” in the word “unhappy”.
#33009
A
a;an
B
an;a
C
a;a
D
an;an
 ---Mum, where did you put my sweater?---Is it _____ black one? I put it in _____orange box near your desk.
#32103
A
a; an
B
a; the
C
the ; an
D
/ ; the
不定冠词(a,an)
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