语法词汇练习 语法大全 语法详解 英语听力 
There is _____ “s”  and _______ “c” in the word “school”.
#33055
A
an; a
B
a; an
C
the ;a
D
/; an
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He is__________ outgoing student from _________ university in America.
#33154
A
a;a
B
a; an
C
an; an
D
an; a
–What’s this?  –It’s________ orange.
#32931
A
/
B
a
C
an
D
the
This is ___ old watch. Could you give me ___ new one?
#34011
A
a, a
B
an, a
C
an ,an
D
a, an
There aren’t __________ girls in the classroom.
#32841
A
a
B
an
C
some
D
any
I have _____ American friend. He is _______active boy.  
#34378
A
a, an
B
a, a
C
an, a
D
an, an