---What color is it?---It’s______orange.It’s ______ orange pen.
#32168
A
a ;an
B
an;an
C
an ;/
D
/;an
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What do you usually have for________ breakfast?A piece of bread and ______ egg.
#33178
A
a; an
B
不填; the
C
a; the
D
不填; an
.Although it seemed to be _______ painful experience, he still found it_______ fun.
#32069
A
a,/
B
/,a
C
a, the
D
a ,a
Li Na plays __________ tennis very well. She has become __________ first Asian woman toreach a Grand Slam（大满贯）final.
#32226
A
a, the
B
/ , the
C
the, a
D
/ , a