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There is ______ “u” and ______ “s” in the word “bus”.
#33430
A
a, a
B
a, an
C
an, an
D
an, a
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—What’s your favorite fruit?   —Apples. You know, _______ apple a day keeps the doctor away.   
#34395
A
a
B
an
C
the
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不填
He told me that he was leaving for ________ one-year English course. 
#32526
A
a
B
an
C
the
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Tom is _______ honest boy. We all believe what he says.
#34626
A
the
B
a
C
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D
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 “If you stop dropping litter, I’ll kiss         pig.” the head teacher promised the students at a school meeting.
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A
a
B
an
C
the
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My mother is ______ English teacher in _____ middle school.
#32563
A
a, an
B
an, an
C
an, a
D
a, a
不定冠词(a,an)
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