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It is _______ unusual thing for us to find ________ UFO.
#33317
A
a; a
B
an; an
C
a; an
D
an; a
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 What __________ good time we had having a picnic yesterday!
#32058
A
a
B
an
C
/
D
the
—I missed the beginning of ________ cartoon The Lion King. ---What a pity! You should leave school half _______ hour earlier.
#32568
A
a, an
B
the, a
C
the, an
D
an, the
Mary writes       e-mail to David. She found        keys. 
#33050
A
a; him
B
an; his
C
a; her
D
an; he
Miss Yang is ________ English teacher.
#33557
A
a
B
an
C
the
D
/
---- What do you usually do after _________ school? ---- I usually play ______ basketball, but sometimes I play _____piano in the music room .
#33119
A
/ , / , the
B
the , the , the
C
the , a , /
D
the , a , the
不定冠词(a,an)
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