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There is      “f” and     “d” in the word “food”.
#33166
A
a; an
B
a; a
C
an; an
D
an; a
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—Excuse me, is there      hospital near here?—Yes, go down this road, it’s next to       supermarket on your right.
#34353
A
a, /
B
a, the
C
/, the
D
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--- Look at ______ book on the desk . Is it ______ useful one ?--Yes, it is . In the book there is much advice on how to learn math well.
#33474
A
a, the
B
the, a
C
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D
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My friend Amy often takes      walk with her dog in the park after dinner.
#33211
A
不填
B
a
C
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We work together to achieve our common purpose: __________ world that is safer, cleaner and healthier than __________ one we are living in.
#32221
A
the , /
B
a , /
C
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D
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There is           egg in the bowl.
#33196
A
a
B
(不填)
C
an
D
the
不定冠词(a,an)
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