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There is ______ “s” and ______ “u” in the word “bus”.
#34346
A
an; a
B
an; an
C
a; an
D
a, an
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Mike is        American boy .He studies in       university in Lanzhou.
#33829
A
the, a
B
a, a
C
an, a
D
an, an
Alice is fond of playing _______ piano while Tom is interested in listening to_____ music.
#34603
A
/;the
B
/;/
C
the;/
D
the; the
China has   area of about 9,600,000square kilometers.
#33966
A
a
B
an
C
the
D
/
— Have you seen my iPhone 5? I left it here this morning.— Is it            black one? I think I saw it somewhere.
#32204
A
/
B
a
C
an
D
the
I have ________ apple. It's red. 
#32956
A
a
B
an
C
the
D
/
不定冠词(a,an)
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