语法词汇练习 语法大全 语法详解 英语听力 
I sent ______ e-mail to Amy to say thanks for her help with my study.
#32467
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a
B
/
C
the
D
An
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There is ______ “u” in the word “your”.
#32630
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a
B
an
C
the
D
/
－This is a useful dictionary, I think.－So it is, and it’s ______ unusual one.
#33289
A
the
B
an
C
a
D
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 —What does your father do?—He is ________ English teacher at _________ university.
#32771
A
an; a
B
an; an
C
a; an
D
a; a
 Do you have ______Internet bar around your school?
#32152
A
a
B
an
C
the
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— Look at that animal. It’s interesting.— Which one do you mean? ____ black one with a long tail?
#33418
A
A
B
An
C
The
D
/